Migrate Other Types Of Imap Mailboxes. IMAP folder to Exchange migration tool is completely free from any type of risk. To migrate mailboxes after you set up virtual shared folders on your source email system you have to include the optional attribute UserRoot in the migration file.
It moves the users groups contacts assigns the licenses automatically and migrates the emails SharePoint sites and OneDrives. This option is helpful for those who needs to migrate data from multiple IMAP accounts to Hosted Exchange at the same time. To easily migrate your IMAP mailboxes to Office 365 account use third party tool.
Now select Hosted Exchange as file saving option.
And once the migration is complete any new mail sent to the original mailbox wont be migrated. How to Migrate IMAP Server to Office 365. One such software is IMAP to Office 365 Backup Tool that allows to migrate mailboxes from all IMAP servers ie Zimbra Cloud MDaemon Server Communigate Pro IBM Verse etc. With Office 365 that is availaibe.