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Plan an IMAP migration to Exchange Online

 

Topic Last Modified: 2013-10-15

Summary: Describes options to migrate IMAP mail servers to Exchange Online.

An IMAP migration is used by small organizations that want a quick cutover to Exchange Online services, with no hybrid configuration, from their existing mail environments by using the IMAP protocol. User identities are automatically provisioned with the IMAP migration tool available from the Exchange Admin Center. Note that you need to create Exchange Online mailboxes before beginning this process. After cutover, single sign-on can be deployed.

You can use the Exchange Admin Center or the Exchange Management Shell and a CSV file to migrate the contents of users' mailboxes from an IMAP messaging system to their Exchange Online mailboxes. Supported IMAP servers include the following:

  • Courier-IMAP

  • Cyrus

  • Dovecot

  • UW-IMAP

  • Microsoft Exchange (Exchange 2000 Server and later versions)

For more information, see IMAP Migration.

 
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