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Find Microsoft 365 for business support phone numbers by country or region

In most countries or regions, billing support for Microsoft 365 for business products and services is provided in English from 9 AM-5 PM, Monday through Friday. Local language support varies by country or region.

Technical support is provided in English 24 hours a day, 7 days a week, and in some cases, in local languages as noted.

Admins, have your account details ready when you call.

Note

To better protect your organization, we added a PIN-based verification step to our existing phone-based verification process. If you contact us from a number that isn't registered with your organization profile, the Microsoft support representative sends a verification code to the registered email or phone number in your Microsoft 365 admin center profile. You must provide this code to the support representative to grant them access to your organization's account.

Frequently referenced countries and regions

Other countries and regions

If your country or region isn't listed above, use the sections below to find the support information for your country or region.

North America / Central America | Caribbean | South America | Europe | Africa | Middle East | Asia | Australia / Pacific

North America / Central America

Belize

Phone number:
001 212 497 6305

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bermuda

Phone number:
1 877 639 9636

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Canada

Phone number:
1 800 865 9408

Billing support hours:
English: Monday through Friday 9 AM-5 PM Local
French: Monday through Friday, 9 AM-5 PM ET

Technical support hours:
English: 24 hours a day, 7 days a week
French: Monday through Friday, 9 AM-5 PM ET

Costa Rica

Phone number:
0800 012 1447

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

El Salvador

Phone number:
800 6676
Select "Business", then select "Microsoft 365"

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Greenland

Phone number:
+1 312 843 5152
International call charges apply.

Billing support hours:
English: Monday through Friday, 7 AM-3 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Guatemala

Phone number:
1 800 300 0069
Select "Business", then select "Microsoft 365"

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Honduras

Phone number:
800 0123

After dialing, enter:
877 635 7034

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Mexico

Phone number:
800 563 0605

Alternative Phone Number: 55 4738 6567
Local call charges apply.

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Nicaragua

Phone number:
1800 0164

After dialing, enter:
877 635 7036

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Panama

Phone number:
00800 051 0398
Select "Business", then select "Microsoft 365"

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Saint Pierre and Miquelon

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 6 AM-2 PM
English: Monday through Friday, 6 AM-2 PM

Technical support hours:
French: Monday through Friday, 5 AM-6 PM
English: 24 hours a day, 7 days a week

United States

Phone number:
1 800 865 9408

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Caribbean

Anguilla

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Antigua and Barbuda

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Aruba

Phone number:
+1 312 843 5146
International call charges apply.

Billing support hours:
Dutch: Monday through Friday, 4 AM-noon
English: Monday through Friday, 4 AM-noon

Technical support hours:
English: 24 hours a day, 7 days a week

Bahamas

Phone number:
00800 051 0398
Select "Business", then select "Microsoft 365"

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Barbados

Phone number:
1 877 639 0597

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bonaire

Phone number:
+1 312 843 5146
International call charges apply.

Billing support hours:
Dutch: Monday through Friday, 4 AM-noon
English: Monday through Friday, 4 AM-noon

Technical support hours:
English: 24 hours a day, 7 days a week

British Virgin Islands

Phone number:
800-865-9408
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Cayman Islands

Phone number:
1 877 308 6465

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Curaçao

Phone number:
+1 377 302 1308
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Dominica

Phone number:
+1 312 843 5150
International call charges apply.

Billing support hours:
Spanish: Monday through Friday, 11 AM-7 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Dominican Republic

Phone number:
1 800 751 3455
Select "Business", then select "Microsoft 365"

Alternative Phone Number: 1 809 200 8794
(Cellular toll-free)

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Grenada

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Guadeloupe

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 6 AM-noon
English: Monday through Friday, 6 AM-1 PM

Technical support hours:
French: Monday through Friday, 6 AM-1 PM
English: 24 hours a day, 7 days a week

Haiti

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 3 AM-11 AM
English: Monday through Friday, 3 AM-11 AM

Technical support hours:
French: Monday through Friday, 2 AM-3 PM
English: 24 hours a day, 7 days a week

Jamaica

Phone number:
1 800 865 9408

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Martinique

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French Monday through Friday, 6 AM-noon
English: Monday through Friday, 6 AM-1 PM

Technical support hours:
French: Monday through Friday, 6 AM-1 PM
English: 24 hours a day, 7 days a week

Montserrat

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Puerto Rico

Phone number:
1 800 865 9408

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week
English: 24 hours a day, 7 days a week

Saba

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Saint Barthélemy

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 4 AM-12 PM
English: Monday through Friday, 4 AM-12 PM

Technical support hours:
French: Monday through Friday, 3 AM-4 PM
English: 24 hours a day, 7 days a week

Saint Kitts and Nevis

Phone number:
1 877 302 1308

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Saint Lucia

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Saint Martin

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 4 AM-noon
English: Monday through Friday, 4 AM-noon

Technical support hours:
French: Monday through Friday, 3 AM-4 PM
English: 24 hours a day, 7 days a week

Saint Vincent and the Grenadines

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Sint Eustatius

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Sint Maarten

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Trinidad and Tobago

Phone number:
1 855 214 7711

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Turks and Caicos Islands

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

U.S. Virgin Islands

Phone number:
800 865 9408

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

South America

Argentina

Phone number:
0800 266 1512

Alternative Phone Number: 011 5354 2347
Local call charges apply.

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Bolivia

Phone number:
800 110 263

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Brazil

Phone number:
0800 762 1146

Alternative Phone Number:
0800 047 4958 (Local toll-free)
11 4700 1999 (Local call charges apply.)

Billing support hours:
Portuguese: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Portuguese: 24 hours a day, 7 days a week
English: 24 hours a day, 7 days a week

Chile

Phone number:
800 226 826

Alternative Phone Number: 123 002 000 05
Local call charges apply.

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Colombia

Phone number:
01 800 518 1781

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Ecuador

Phone number:
1 800 225 528

After dialing, enter:
877 663 5075

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Falkland Islands

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

French Guiana

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 5 AM-1 PM
English: Monday through Friday, 5 AM-1 PM

Technical support hours:
French: Monday through Friday, 4 AM-5 PM
English: 24 hours a day, 7 days a week

Guyana

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Paraguay

Phone number:
800 6676
Select "Business", then select "Microsoft 365"

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Peru

Phone number:
009 800 441 0088

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

South Georgia and South Sandwich Islands

Phone number:
+1 312 843 5145
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Suriname

Phone number:
+1 312 843 5146
International call charges apply.

Billing support hours:
Dutch: Monday through Friday, 5 AM-1 PM
English: Monday through Friday, 5 AM-1 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Uruguay

Phone number:
000 411 002 7131

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Venezuela

Phone number:
0800 100 8763

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: 24 hours a day, 7 days a week

Europe

Åland Islands

Phone number:
08009 8462
Local call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Albania

Phone number:
04 451 5151
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Andorra

Phone number:
+1 312 843 5144
International call charges apply.

Billing support hours:
Spanish: Monday through Friday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Spanish: Monday through Friday, 9 AM-10 PM
English: 24 hours a day, 7 days a week

Armenia

Phone number:
010 541 082
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Austria

Phone number:
0800 080 650

Alternative Phone Number: 01 206 09 15 78
Local call charges apply.

Billing support hours:
German: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
German: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Azerbaijan

Phone number:
01 24 37 35 55
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Belarus

Phone number:
8 820 0071 0003
Select "Business", then select "Microsoft 365"

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Belgium

Phone number:
0800 81174

Alternative Phone Number: 02 200 88 84
Local call charges apply.

Billing support hours:
Dutch: Monday through Friday, 9 AM-5 PM
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Bosnia and Herzegovina

Phone number:
0800 20 230
Select "Business", then select "Microsoft 365"

Alternative Phone Number: +387 33 606 100
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bulgaria

Phone number:
00800 118 4446

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Croatia

Phone number:
0800 222 225
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Cyprus

Phone number:
8009 2519
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Czechia

Phone number:
800 701 371

Alternative Phone Number: 239 016 433
Local call charges apply.

Billing support hours:
Czech: Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Czech: Monday through Friday, 8 AM-6 PM
English: 24 hours a day, 7 days a week

Denmark

Phone number:
80 34 76 23

Alternative Phone Number: 38 48 70 67
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Estonia

Phone number:
800 0044 483

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Faroe Islands

Phone number:
+45 38 48 70 67
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Finland

Phone number:
0800 98462

Alternative Phone Number: 09 72 51 96 30
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

France

Phone number:
0805 540 594

Alternative Phone Number: 01 57 32 42 97
Local call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Georgia

Phone number:
032 297 0124
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Germany

Phone number:
0800 589 2332

Alternative Phone Number: 069 380 789 508
Local call charges apply.

Billing support hours:
German: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
German: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Gibraltar

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Greece

Phone number:
00800 4414 2831
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Guernsey

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Hungary

Phone number:
+36 80 983 899

Alternative Phone Number: +36 1 778 9292
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Hungarian: Monday through Friday, 8 AM-6 PM
English: 24 hours a day, 7 days a week

Iceland

Phone number:
800 9609

Billing support hours:
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Ireland

Phone number:
1 800 995309

Alternative Phone Number: 01 656 9837
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Isle of Man

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Italy

Phone number:
800 917 919

Billing support hours:
Italian: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Italian: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Jan Mayen

Phone number:
+1 312 843 5149
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Jersey

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Kosovo

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Latvia

Phone number:
8000 42 33
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Liechtenstein

Phone number:
+41 800 000 300

Alternative Phone Number: +41 22 76 141 14
Local call charges apply.

Billing support hours:
German: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
German: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Lithuania

Phone number:
8800 30 960
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Luxembourg

Phone number:
800 21094

Alternative Phone Number: 24 87 15 10
Local call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
German: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
German: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Malta

Phone number:
8006 2231
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Moldova

Phone number:
022 20 13 34
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Monaco

Phone number:
+33 1 57 32 42 97
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Montenegro

Phone number:
080 081 110
Select "Business", then select "Microsoft 365"

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Netherlands

Phone number:
0800 020 2546

Alternative Phone Number: 020 203 5362
Local call charges apply.

Billing support hours:
Dutch: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

North Macedonia

Phone number:
0800 94 288

After dialing, enter:
877 663 5075

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Norway

Phone number:
800 31068

Alternative Phone Number: 22 31 07 48
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Poland

Phone number:
800 70 23 20

Alternative Phone Number: 022 306 05 17
Local call charges apply.

Billing support hours:
Polish: Monday through Friday, 8 AM-6 PM
English: Monday through Friday, 8 AM-6 PM

Technical support hours:
Polish: Monday through Friday, 8 AM-6 PM
English: 24 hours a day, 7 days a week

Portugal

Phone number:
800 208 745

Alternative Phone Number: 21 366 5030
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Portuguese: Monday through Friday, 8 AM-6 PM
English: 24 hours a day, 7 days a week

Romania

Phone number:
0800 896 956

Alternative Phone Number: 372 741 961
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Russia

Phone number:
8 10 800 2548 1044

Alternative Phone Number: 499 922 86 23
Local call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

San Marino

Phone number:
+1 312 843 5154
International call charges apply.

Billing support hours:
Italian: Monday through Friday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Italian: Monday through Friday, 9 AM-10 PM
English: 24 hours a day, 7 days a week

Serbia

Phone number:
0800 190 095

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Slovakia

Phone number:
0800 102 365

Alternative Phone Number: 026 862 2111
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Slovenia

Phone number:
080 080 922

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Spain

Phone number:
900 814 197

Alternative Phone Number: 912 718 160
Local call charges apply.

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Svalbard

Phone number:
+1 312 843 5149
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Sweden

Phone number:
020 160 5899

Alternative Phone Number: 08 5176 1966
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Switzerland

Phone number:
0800 000 300

Alternative Phone Number: 022 76 141 14
Local call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
German: Monday through Friday, 9 AM-5 PM
Italian: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
German: Monday through Friday, 8 AM-9 PM
Italian: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Türkiye

Phone number:
0 850 3902777

Billing support hours:
Turkish: Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Turkish: Monday through Friday, 8 AM-6 PM
English: 24 hours a day, 7 days a week

Ukraine

Phone number:
0800 502 285

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

United Kingdom

Phone number:
0800 032 6417

Alternative Phone Number: 0203 450 6455
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Vatican City

Phone number:
800 917 919

Alternative Phone Number: 02 6943 0746
Local call charges apply.

Billing support hours:
Italian: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Italian: Monday through Friday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

Africa

Algeria

Phone number:
021 89 10 70
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Angola

Phone number:
+351 21 366 5030
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Portuguese: Monday through Friday, 9 AM-10 PM
English: 24 hours a day, 7 days a week

Benin

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Botswana

Phone number:
+27 21 427 3315
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bouvet Island

Phone number:
+1 312 843 5149
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Burkina Faso

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 8AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
French: Monday through Friday, 7 AM-8 PM
English: 24 hours a day, 7 days a week

Burundi

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
French: Monday through Friday, 9 AM-10 PM
English: 24 hours a day, 7 days a week

Cabo Verde

Phone number:
+351 21 366 5030
International call charges apply.

Billing support hours:
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
Portuguese: Monday through Friday, 7 AM-8 PM
English: 24 hours a day, 7 days a week

Cameroon

Phone number:
+225 20 24 24 90
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
French: Monday through Friday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Central African Republic

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Chad

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Comoros

Phone number:
+1 312 843 5147

Billing support hours:
French: Monday through Friday, 11 AM-7 PM
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
French: Monday through Friday, 10 AM-11 PM
English: 24 hours a day, 7 days a week

Congo

Phone number:
225 20 24 24 90
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Congo (DRC)

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Côte d'Ivoire

Phone number:
020 24 24 90
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
French: Monday through Friday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
French: Monday through Friday, 7 AM-8 PM
English: 24 hours a day, 7 days a week

Djibouti

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 11 AM-7 PM
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
French: Monday through Friday, 10 AM-11 PM
English: 24 hours a day, 7 days a week

Egypt

Phone number:
0800 000 0325

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Equatorial Guinea

Phone number:
+1 312 843 5144
International call charges apply.

Billing support hours:
Spanish: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Spanish: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Eritrea

Phone number:
+974 44 119418
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Eswatini

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Ethiopia

Phone number:
+27 21 427 3315
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

French Southern Territories

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 1 PM-9 PM
English: Monday through Friday, 1 PM-9 PM

Technical support hours:
French: Monday through Friday, 12 PM-11 PM
English: 24 hours a day, 7 days a week

Gabon

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Gambia

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Ghana

Phone number:
+234 1 271 0156
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Guinea

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Guinea-Bissau

Phone number:
+1 312 843 5153
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Portuguese: 8 AM-9 PM
English: 24 hours a day, 7 days a week

Kenya

Phone number:
020 286 8800
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Lesotho

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Liberia

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Libya

Phone number:
+965 2243 1071
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
English: 24 hours a day, 7 days a week

Madagascar

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 11 AM-7 PM
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
French: Monday through Friday, 10 AM-11 PM
English: 24 hours a day, 7 days a week

Malawi

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Mali

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
French: Monday through Friday, 7AM-8 PM
English: 24 hours a day, 7 days a week

Mauritania

Phone number:
+974 44 119418
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
Arabic: Sunday through Thursday, 8 AM-4 PM
English: 24 hours a day, 7 days a week

Mauritius

Phone number:
802 044 0086

Billing support hours:
French: Monday through Friday, 11 AM-7 PM
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
French: Monday through Friday, 11 AM-midnight
English: 24 hours a day, 7 days a week

Mayotte

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 11 AM-7 PM
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
French: Monday through Friday, 10 AM-11 PM
English: 24 hours a day, 7 days a week

Morocco

Phone number:
0801 000 809
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 8 AM-4 PM
French: Monday through Friday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
Arabic: Sunday through Thursday, 8 AM-4 PM
French: Monday through Friday, 7 AM-8 PM
English: 24 hours a day, 7 days a week

Mozambique

Phone number:
+1 312 843 5153
International call charges apply.

Billing support hours:
English: Monday through Friday, 7 AM-6 PM

Technical support hours:
Portuguese: Monday through Friday, 9 AM-7 PM
English: 24 hours a day, 7 days a week

Namibia

Phone number:
061 292 5016
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Niger

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Nigeria

Phone number:
01 912 5070
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Réunion

Phone number:
+1 312 843 5147
Local call charges apply.

Billing support hours:
French: Monday through Friday, noon-8 PM
English: Monday through Friday, noon-8 PM

Technical support hours:
French: Monday through Friday, 11 AM-11 PM
English: 24 hours a day, 7 days a week

Rwanda

Phone number:
+225 20 24 24 90
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
French: Monday through Friday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
French: Monday through Friday, 9 AM-10 PM
English: 24 hours a day, 7 days a week

São Tomé and Príncipe

Phone number:
+1 312 843 5153
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Portuguese: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Senegal

Phone number:
800 103 072

After dialing, enter:
877 867 2337

Billing support hours:
French: Monday through Friday, 8 AM-4 PM
English: Monday through Friday, 8 AM-4 PM

Technical support hours:
French: Monday through Friday, 7 AM-8 PM
English: 24 hours a day, 7 days a week

Seychelles

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 1 PM-9 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Sierra Leone

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Somalia

Phone number:
+974 44 119418
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

South Africa

Phone number:
080 020 2883

Alternative Phone Number: 021 427 3315
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

South Sudan

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

St Helena, Ascension, Tristan da Cunha

Phone number:
+1 312 843 5151
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Tanzania

Phone number:
+254 20 286 8800
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Togo

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 8 AM-4 AM
English: Monday through Friday, 8 AM-4 AM

Technical support hours:
French: Monday through Friday, 7 AM-8 AM
English: 24 hours a day, 7 days a week

Tunisia

Phone number:
71 168 700
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
French: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Arabic: Sunday through Thursday, 9 AM-5 PM
French: Monday through Friday, 8 AM-9 PM
English: 24 hours a day, 7 days a week

Uganda

Phone number:
+27 21 427 3315
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Zambia

Phone number:
+27 21 427 3315
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Zimbabwe

Phone number:
+27 21 427 3315
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Middle East

Afghanistan

Phone number:
+92 21 111 674 357
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bahrain

Phone number:
800 81 250

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Iraq

Phone number:
+965 2221 9876
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Israel

Phone number:
1 809 344 179

Billing support hours:
Hebrew: Sunday through Thursday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Hebrew: Sunday through Thursday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

Jordan

Phone number:
18 800 000

After dialing, enter:
877 663 5075

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Kuwait

Phone number:
+965 22219876
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Lebanon

Phone number:
01 97 40 81
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Oman

Phone number:
800 73332
Select "Business", then select "Microsoft 365"

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 11 AM-8 PM
English: 24 hours a day, 7 days a week

Palestinian Authority

Phone number:
+962 6 5503451
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Qatar

Phone number:
44 119418
Select "Business", then select "Microsoft 365"
Local call charges apply.

Alternative Phone Number:
00 800101716
Local toll-free

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Saudi Arabia

Phone number:
800 844 4558

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

United Arab Emirates

Phone number:
8000 444 1578
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 11 AM-8 PM
English: 24 hours a day, 7 days a week

Yemen

Phone number:
+974 44 119418
Select "Business", then select "Microsoft 365"
International call charges apply.

Billing support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
Arabic: Sunday through Thursday, 10 AM-6 PM
English: 24 hours a day, 7 days a week

Asia

Bangladesh

Phone number:
157 0011

After dialing, enter:
+1877 857 3235

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Bhutan

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Brunei

Phone number:
800 1111 673

After dialing, enter:
877 413 1767

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Cambodia

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

China

Phone number:
800 988 0365

Alternative Phone Number: 400 920 0365 (Mobile)

Billing support hours:
Chinese (Mandarin): Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Chinese (Mandarin): Monday through Friday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

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Contact support for Microsoft 365 operated by 21Vianet only

Phone number:
+86 4000 890 365

Billing support hours:
Chinese and English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Chinese and English phone support: Monday through Friday, 9 AM-6 PM
Chinese and English online support (through the admin center): 24 hours a day, 7 days a week

Christmas Island

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Cocos (Keeling) Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Hong Kong SAR

Phone number:
800 969 805

Billing support hours:
Cantonese: Monday through Friday, 9 AM-6 PM
Mandarin: Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Cantonese: Monday through Friday, 9 AM-6 PM
Mandarin: Monday through Friday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

India

Phone number:
000 8000 404 454
Local toll-free

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Indonesia

Phone number:
007 803 011 0882 (Telkom)
001 803 442 304 (Indosat)

Billing support hours:
Bahasa Indonesia: Monday through Friday, 8 AM-5 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Bahasa Indonesia: Monday through Friday, 8 AM-5 PM
English: 24 hours a day, 7 days a week

Japan

Phone number:
0120 996 680 (Office 365 Enterprise)
0120 628 860 (Other plans, like Microsoft 365 Business Basic, Microsoft 365 Business Standard, or Microsoft 365 Business Premium)

Alternative Phone Numbers:
03 4332 5493 (Office 365 Enterprise)
03 4332 6257 (Other plans, like Microsoft 365 Business Basic, Microsoft 365 Business Standard, or Microsoft 365 Business Premium)
Local call charges apply.

Billing support hours:
Japanese: Monday through Friday, 9:00-17:00
(Closed on weekends and public holidays)
English: Monday through Friday, 9:00-17:00
(Closed on weekends and public holidays)

Technical support hours:

Office 365 Enterprise:
Japanese: 24 hours a day, 7 days a week
English: 24 hours a day, 7 days a week

Other Plans:
Telephone technical support is available from 9:00-17:30 on weekdays.
For high severity issues, technical support is available 24 hours a day, 7 days a week.

Kazakhstan

Phone number:
+8 800 555 1349
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Korea

Phone number:
080 495 0880

Alternative Phone Number: 02 3483 1937
Local call charges apply.

Billing support hours:
Korean: Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Korean: Monday through Friday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

Kyrgyzstan

Phone number:
+7 499 922 86 23
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Laos

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Macao SAR

Phone number:
0800 111

After dialing, enter:
877 860 4890

Billing support hours:
Cantonese: Monday through Friday, 9 AM-5 PM
Mandarin: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
Cantonese: Monday through Friday, 9 AM-5 PM
Mandarin: Monday through Friday, 9 AM-5 PM
English: 24 hours a day, 7 days a week

Malaysia

Phone number:
1800 22 0030

Alternative Phone Number: 03 6207 4606
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Maldives

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Mongolia

Phone number:
+7 499 922 86 23
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Myanmar

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Nepal

Phone number:
Telephone support not available; only online support.

Billing support hours:
Not available by phone

Technical support hours:
Not available by phone

Pakistan

Phone number:
021 111 674 357
Select "Business", then select "Microsoft 365"
Local call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Philippines

Phone number:
1800 1441 0625 (PLDT)
1800 8908 6422 (Globe)

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Singapore

Phone number:
1 800 622 1856

Alternative Phone Number: 6622 1855
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Sri Lanka

Phone number:
+94 72 600 0010
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Taiwan

Phone number:
0800 666 802

Alternative Phone Number: 02 2656 7301
Local call charges apply.

Billing support hours:
Chinese (Mandarin): Monday through Friday, 9 AM-6 PM
English: Monday through Friday, 9 AM-6 PM Local

Technical support hours:
Chinese (Mandarin): Monday through Friday, 9 AM-6 PM
English: 24 hours a day, 7 days a week

Tajikistan

Phone number:
+7 499 922 86 23
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Thailand

Phone number:
001 800 441 2619

Billing support hours:
Thai: Monday through Friday, 9 AM-5 PM
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
Thai: Monday through Friday, 9 AM-5 PM
English: 24 hours a day, 7 days a week

Timor-Leste

Phone number:
+1 312 843 5155
International call charges apply.

Billing support hours:
Portuguese: Monday through Friday, 9 PM-5 AM
English: Monday through Friday, 9 PM-5 AM

Technical support hours:
Portuguese: 24 hours a day, between Mon noon and Sat noon
English: 24 hours a day, 7 days a week

Turkmenistan

Phone number:
+7 499 922 86 23
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Uzbekistan

Phone number:
+8 641 744 0010

After dialing, enter:
877 867 5369
International call charges apply.

Billing support hours:
Russian: Monday through Friday, 10 AM-7 PM Moscow
English: Monday through Friday, 9 AM-5 PM London

Technical support hours:
Russian: Monday through Friday, 7 AM-8 PM Moscow
English: 24 hours a day, 7 days a week

Vietnam

Phone number:
120 852 137

Alternative Phone Number: 12280770

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Australia / Pacific

American Samoa

Phone number:
800-865-9408
Local call charges apply.

Billing support hours:
English: Monday through Friday, 6 AM-2 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Australia

Phone number:
1800 197 503

Alternative Phone Number: 02 8223 9959
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: Monday through Friday, 9 AM-6 PM

Cook Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 10 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Fiji

Phone number:
004 890 1001

After dialing, enter:
877 860 4596

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

French Polynesia

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Sunday through Friday, 10 PM-6 AM
English: Sunday through Friday, 10 PM-6 AM

Technical support hours:
French: Monday through Friday, 9 PM-10 AM
English: 24 hours a day, 7 days a week

Guam

Phone number:
800-865-9408
Local call charges apply.

Billing support hours:
English: Monday through Friday, 3 AM-12 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Heard Island and McDonald Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Kiribati

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Marshall Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 1 PM-9 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Micronesia

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Nauru

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

New Caledonia

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Monday through Friday, 7 PM-3 AM
English: Monday through Friday, 7 PM-3 AM

Technical support hours:
French: Monday through Friday, 6 PM-7 AM
English: 24 hours a day, 7 days a week

New Zealand

Phone number:
0800 194 197

Alternative Phone Number: 09 912 7298
Local call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-6 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Niue

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Norfolk Island

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 12 PM-8 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Northern Mariana Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Palau

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Papua New Guinea

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 11 AM-7 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Pitcairn Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Samoa

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 2 PM-10 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Solomon Islands

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Tokelau

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 2 PM-10 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Tonga

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 2 PM-10 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Tuvalu

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Vanuatu

Phone number:
+1 312 843 5148
International call charges apply.

Billing support hours:
English: Monday through Friday, 9 AM-5 PM

Technical support hours:
English: 24 hours a day, 7 days a week

Wallis and Futuna

Phone number:
+1 312 843 5147
International call charges apply.

Billing support hours:
French: Sunday through Friday, 8 PM-4 AM
English: Sunday through Friday, 8 PM-4 AM

Technical support hours:
French: Monday through Friday, 7 PM-8 AM
English: 24 hours a day, 7 days a week