EdbMails Office 365 to Office 365 Migration is the best third party migration tool to migrate single multiple office 365 migrate mailbox to another tenant account. br br br br The key features include : br br 1. Simple and straightforward user interface br br 2.Incremental migration, no question of duplicates br br 3. Migration of Emails, Calendars, contacts, journals, tasks etc. br br 4. Facility to load CSV mailboxes names to source and target server for the missing mailboxes br br 5. Exclude folder facility br br 6. Public folder and archive mailbox migration between the Servers br br 7. Support for the Migration of Non English characters br br 8. Automatic re-connection on intermittent internet connection during the migration process br br 9. The best cost effective tool br br 10.