Lets say you have stored documents and information in a SharePoint Online site. And now you create another Office 365 account and want to migrate content to the new SharePoint Online site Collection.

One of the methods is to save the first SharePoint online Site as a template and use it in the new account. Afterthat copy and move the content between these sites by mapping the site to a network location.

Migrating Content Between SharePoint Online Site Collections

1.       Adding a network location for the SharePoint Online Site Collection

2.       Go to My Computer-> Right Click and choose the option of Adding a network location.

3.       Provide the Site Collection URL for the source site

 You need to provide the Online Services Credentials to log into the site and then add the site as a network location

4.       Opened the Site Collection in Windows Explorer

5.       Save the root site https://himansh.sharepoint .com/sites/source1 as template

a.       Go to Site Actions->Site Settings

b.      Under Site Actions menu, go to Save site as Template

6.       Create the target site in the new SharePoint Online Account using Custom template option

7.       Now upload the saved Site Template in the Solution Gallery of the new Site Collection and activate it.

8.       Choose the Saved template in the Custom option

9.       Choose the SharePoint Groups for the permissions.

10.   Created the site using the saved template successfully.

11.   Map the new site https://v2365.sharepoint.com/sites/target1/SitePages/Home.aspx  to network location

12.   Copy the content from the original site’s list folder into the new list.

Mapped folders:

When you migrate Exchange mailboxes to the cloud in a cutover Exchange migration:

The migration service provisions new mailboxes in your cloud-based organization. It creates a cloud-based mailbox for each user account in your on-premises Exchange organization. On-premises distribution groups and contacts are also migrated to the cloud. After the new cloud-based mailboxes are created, the migration service migrates e-mail messages, contacts, and calendar items from the Exchange mailboxes to the corresponding cloud-based mailboxes. 

One of the issues that we might face sometimes is while providing Full Access Rights to the Migration Admin during the migration process. We might face errors like, " Cannot Connect to the Source Mailbox".

One of the solutions for this:

Add the migration account to be used for the migration process to the Administrators, Domain Admins, Enterprise Admins, Exchange Org Admins, and Schema Admins group.  This did not appear to work, unless we simply didn’t give it enough time to replicate /sync.

Instead of granting the Full Access rights on the mailboxes using the Exchange Management Console, run the powershell command:

Add-MailboxPermission "user1" -User "migrationadmin" -AccessRights FullAccess -InheritanceType All.

After this, the migration tool should connect to the mailboxes.

Full Mailbox Access

Using full mailbox access, a user can log on to another user's mailbox and act as the mailbox owner. This strategy is frequently used to manage resource mailboxes because resource mailboxes must be accessed by a group of users.

Send As Access

Send As permissions allow users to act as the mailbox owner for another user when sending mail. When mail is sent by a user with Send As permissions, the mail is sent from the mailbox owner and does not indicate to recipients that it was sent by a delegate and not the mailbox owner. If a user has Full Mailbox Access permissions, they may also have Send As permissions for the mailbox.

Send on Behalf Of Access

Send on Behalf Of access is similar to Send As access except that when the delegate user sends mail for the mailbox owner, the From field of the message will read "Sent on behalf of mailbox owner by delegate user."

The Send on Behalf Of parameter sets delegate access for the specified mailboxes, and enables the default Microsoft Outlook settings for delegates, including default folder permissions and meeting request behavior.

Configure Mailbox Permissions and Access

To enable mailbox sharing and delegate access for of your Exchange Online
users, run the

Add-MSOnlineMailPermission PowerShell
cmdlet. For more information about how to run the
Add-MSOnlineMailPermission cmdlet, see Add-MSOnlineMailPermission.

Additional permissions can then be configured by using Outlook. See Allow a Delegate to Send Mail on
Your Behalf for more information about how to set mailbox permissions in
Outlook.

Use the following commands to set your credential variable:
 
$cred = Get-Credential

When you execute the above command, you'll be prompted for your Office 365 credentials.
 
Then create a new PowerShell Session object with this command:
 
$s = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell -Credential $cred -Authentication Basic -AllowRedirection
 
You'll get a warning about being redirected, don't worry that is what the -AllowRedirection command is for.
 
Next, import the cmdlets to your local shell session:
 
$importresults= Import-PSSession $s
 
Once you are there you can run the Get-Command like the following to see all the available commands:
 
Get-Command -Module $importresults | Out-Host –Paging
 
Then run the following commands to provide permissions at the mailbox level:
 
Add-MailboxPermission "MailboxYouWant2Delegate" -user upn@company.com -Accessright FullAccess
 
 
 
SendAs right needs to be set with "Add-AdPermission"
 
Please make sure to use UPN instead of "Domain\Username"

1.       Office 365 Videos:                                                                           https://technet.microsoft.com/en-us/edge/office-365-jump-start-01-microsoft-office-365-overview-for-it-pros

2.       Office 365 Service Descriptions for Enterprises:                       https://www.microsoft.com/download/en/details.aspx?id=13602

3.       Office 365 Deployment Guide:                                                     https://community.office365.com/modg/default.aspx

4.       SharePoint Online for Enterprises:                                             https://office.microsoft.com/en-us/sharepoint-help/sharepoint-online-for-office-365-for-enterprises-FX102052854.aspx

5.       SharePoint Online Social Networking Capabilities:                  https://blogs.technet.com/b/blainbar/archive/2011/06/28/it-time-radio-gold-partner-discusses-office-365-sharepoint-online-social-networking-capabilities.aspx

6.       Exchange Online Migration:                                                        https://help.outlook.com/en-us/140/ms.exch.ecp.emailmigrationstatuslearnmore

                                                                                                                     https://technet.microsoft.com/en-us/exchangelabshelp/ff628719  

                                                                                                         https://technet.microsoft.com/en-us/exchangelabshelpbeta/ff628693

7.       Plan for Exchange Migration:                                                      https://technet.microsoft.com/en-us/library/cc742684.aspx

8.       Lync Online:                                                                                    https://office.microsoft.com/en-us/communicator-help/video-what-is-lync-online-VA102540994.aspx

                                                                                                          https://community.office365.com/en-us/w/lync/default.aspx

9.       Lotus Notes Migration to Office 365 :                                      https://www.microsoft.com/en-in/cloud/tools-resources/whitepaper.aspx?resourceId=IBM_Cloud

10.   Also please find the case studies on Lotus notes migration to Office 365:

https://www.microsoft.com/casestudies/Microsoft-Office-365/UL/Global-Safety-Company-Complements-Unified-Communications-Solution-with-Cloud-Based-Messaging/4000010363

https://www.microsoft.com/casestudies/Microsoft-Office-365/Lantm-nnen/Cooperative-Group-Reduces-Costs-and-Improves-Communication-with-Cloud-Based-Services/4000011041

11.   ADFS SSO:                                                                                     https://onlinehelp.microsoft.com/en-us/office365-enterprises/ff652539.aspx

12.   Customer transition from BPOS to Office 365:                        Customer Transitions of BPOS to O365 - Transition Roadmap, Eligibility and the Role of Advisor Partners

                                                                                                      https://www.microsoft.com/online/transition-center.aspx

For Developers:

1.       Office 365 Developer Training Kit:                                        https://channel9.msdn.com/Series/Office-365-Developer-Training-Kit-Labs

2.       SharePoint Online Developer Guide:                                   https://www.microsoft.com/download/en/details.aspx?displaylang=en&id=18728

3.       SharePoint Online Overview for Developers:                       https://msdn.microsoft.com/en-us/library/gg317460.aspx

4.       SharePoint Online Customization using SharePoint Designer: https://msdn.microsoft.com/en-us/library/gg454744.aspx

                                                                                                    https://msdn.microsoft.com/en-us/library/gg271151.aspx

5.       SharePoint Online Branding:                                                     https://channel9.msdn.com/Series/Office-365-Developer-Training-Kit-Labs/Session-8-Part-1-SharePoint-Online-Branding

6.       SharePoint Online Developer Training Kit Labs:              https://channel9.msdn.com/Series/Office-365-Developer-Training-Kit-Labs/RSS

7.       Sharepoint Online Customization:                                         https://channel9.msdn.com/Events/TechEd/NorthAmerica/2009/OFC314

Case Studies on Office 365:

https://www.microsoft.com/casestudies/Microsoft-Office-365/hhpberlin/Fire-Safety-Firm-Expects-to-Reduce-Costs-by-36-percent-with-Cloud-Based-Solution/4000009919

https://www.microsoft.com/casestudies/Microsoft-Office-365/Affirma-Consulting/Firm-Reduces-Costs-by-Migrating-to-Hosted-Solution-It-Recommends-for-Customers/4000010884

https://www.microsoft.com/casestudies/Microsoft-Office-365/David-Kroenke/Seattle-Author-Simplifies-Collaboration-with-Office-Professional-Plus-and-Office-365/4000008965

https://www.microsoft.com/casestudies/Microsoft-Office-365/UL/Global-Safety-Company-Complements-Unified-Communications-Solution-with-Cloud-Based-Messaging/4000010363

https://www.microsoft.com/en-us/showcase/details.aspx?uuid=54173752-5601-4215-a520-b59f47af8f08

Exchange Online Migration Case Studies: https://channel9.msdn.com/Events/TechEd/NorthAmerica/2011/EXL309

A shared mailbox is a mailbox that multiple users can open to read and send e-mail messages. Shared mailboxes allow a group of users to view and send e-mail from a common mailbox. They also allow users to share a common calendar, so they can schedule and view vacation time or work shifts. You can't log into a shared mailbox directly using Outlook or Outlook Web App. You must first be granted permissions to the shared mailbox, and then you access it using Outlook or Outlook Web App. You don’t need to assign licenses to shared mailboxes, except when they are over their storage quota of 10 gigabytes (GB).

If you're using Office 365 Enterprise, Business Premium or Business Essentials, check out Create and use shared mailboxes in Office 365 for the steps.

If you're using Office 365 Small Business, check out Create and use shared mailboxes in Office 365 for Small Business.