If you’re still experiencing an issue, please let us know as this may indicate either a scope issue or an independent problem. Also, this process is not viable for non-technical users. Therefore, if directory synchronization is already synchronizing Active Directory (AD) objects to Microsoft 365, you need to use a staged migration or migrate using a hybrid deployment. 3M limit warning will not appear if you perform an IMAP migration to Office 365. For example, while the process migrates mail items, it doesn’t migrate calendar, contacts, notes, or other item types. Email Migration Tool that support over 40 email client/mailbox file including IMAP for email conversion. Technical Advisor Bruno RR Fernandes Support Engineer. All other data of mailbox will not migrate. Imap protocol is an important factor when migrating to office 365.
Imap migration office 365 limitations Below are the steps of email migration that will help you to Migrate your email from an IMAP (Internet Message Access Protocol) server to your Office 365 accounts.