We lost the password of the admin 0635 tenant

Question

We lost the password of the admin 0635 tenant

Initial domain ***.onmicrosoft.comInitial domain ***.onmicrosoft.com Tenant ID *** Microsoft Customer Agreement Admin email admin@***.onmicrosoft.com

Answer 1

Hi,
Please contact Microsoft if you forgot the password and there is no other admin.Get the Country Support phone number

The first step you need to take is to get the contact number for the country using this Microsoft support document.

Customer service phone numbers – Microsoft Support

Once you have done that, call the number. See the extensive details on how to reach a Human:

Navigating the Support IVR — Step-by-Step

When you call Microsoft support to reset Microsoft MFA or resolve a forgot password for a Microsoft 365 issue, follow these IVR prompts:

• Wait out the intro — You may hear a ~30-second automated introduction (e.g., “you can visit the link…”). Ignore it and wait for the menu options.
• Press 1 — Select yourself as a business email user
• Press 1 again — Choose technical help

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Automated IVR Conversation Guide

In some regions, the initial interaction is fully automated. Use these answers to navigate it:

• “What kind of problem are you experiencing?” → Answer: Authenticator
• “What products do you use?” → Answer: Office 365 for Business
• “Is this for an education or company account?” → Answer: For companies
• “Are you an administrator?” → Answer: Yes
• “Are there any other administrators in your organisation?” → Answer: No — I am the only admin in my tenant
• “Do you need a service request?” → Answer: Yes. I need to create a ticket. Please send me directly to the Data Protection Team.

To verify your identity and regain access to your Microsoft 365 administrator account, the Data Protection Team will need:

• ✅ Company name
• ✅ Billing details linked to your subscription
• ✅ Phone number on file
• ✅ An alternate email address
• ✅ Any other details associated with your Microsoft 365 account.

These steps can help you get access to your Microsoft 365 Business account.

https://www.yourwindowsguide.com/2026/03/how-to-reset-microsoft-mfa.html