Learn more about starting your migration

 

Important

This feature of Exchange Server 2013 isn’t fully compatible with Office 365 operated by 21Vianet in China and some feature limitations may apply. For more information, see Learn about Office 365 operated by 21Vianet.

Thanks for clicking Help! Check out the following help topics for information on how to accomplish your task.

Resources that apply to Exchange Server 2016:

Mailbox moves in Exchange 2013

Manage on-premises moves

Resources that apply to Exchange Online:

Migrate mailboxes to Exchange Online with a staged migration

Migrate all mailboxes to Exchange Online with a cutover migration

Migrate Email from an IMAP Server to Exchange Online Mailboxes

Resources that apply to Exchange Server 2016 hybrid deployments:

Move mailboxes between on-premises and Exchange Online organizations in 2013 hybrid deployments