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    Mark Wilson
    Mar 12, 2021

    What are the different types of Office 365 migration?

    in General Discussions

    4 Office 365 Migration Types

    There are four Office 365 migration types for you to consider.


    1. Staged Migration

    An Office 365 staged migration moves everything over in batches. It transitions all of your resource mailboxes and existing users from Exchange 2003 or 2007 to Exchange Online.


    It’s a great method for medium-sized companies (especially those with over 2,000 mailboxes) that are currently using on-premises Microsoft Exchange 2003 or 2007. It is not, unfortunately, available for organizations using Exchange 2010 or 2013.


    A staged migration moves mailboxes in batches over a determined period. It requires the use of the Directory Synchronization tool, which replicates your accounts from the on-premises Active Directory database. By the end of the process, all mailboxes will be hosted in Office 365.


    During the migration, Office 365 users will still have the ability to send and receive emails from users that haven’t migrated over yet. The only resources users won’t be able to access are calendars and delegates.


    2. Cutover Migration

    A cutover migration is an immediate transition from an on-premises Exchange system to Office 365. All your resources are migrated at once, including mailboxes, contacts and distribution groups. With this migration, you cannot select specific objects to migrate, and once the move is complete, everyone will have a