Softaken supports the conversion of databases between different Office 365 tenants, Which can be useful for organizations. You can migrate source Office 365 mailboxes to target IMAP to IMAP Migration Software as well as live Exchange. You can also export the database to PST.
The solution helps migrate individuals as well as multiple mailboxes of any size and scale. It supports an Incremental migration feature that avoids duplicate items on the target mailboxes.