Ways to Migrate Multiple Email Accounts to Office 365

Your organization can migrate email to Office 365 from other systems. Your administrators can migrate mailboxes from an Exchange Server or migrate email from another email system. And your users can import their own email, contacts, and other mailbox information to an Office 365 mailbox created for them. Your organization also can work with a partner to migrate email.

Before you start an email migration, review limits and best practices for Exchange Online to make sure you get the performance and behavior you expect after migration.

Migrate mailboxes from Exchange Server

For migrations from an existing on-premises Exchange Server environment, an administrator can migrate all email, calendar, and contacts from user mailboxes to Office 365.

An administrator performs a staged or cutover migration to Office 365. All email, contacts, and calendar information can be migrated for each mailbox.

There are three types of email migrations that can be made from an Exchange Server: Continue reading → Ways to Migrate Multiple Email Accounts to Office 365