It is a most helpful tool in which users' accounts can be migrated quickly and efficiently. It is of great help with a large number of source mail systems. Also, users can be migrated in batches. The mail migration tool works for both on-premises and hosted systems. Review collected by and hosted on G2.com.

They are not in particular downsides but a certain limit imposed using Datavare tool needs access to IMAP ports, also at times needs to prepare a CSV file with the list of users with a max of 50,000 rows. Also, additional which needs to be required is users and mailboxes must be provisioned before migration. Review collected by and hosted on G2.com.