imapsync - Console-based utility for migrating IMAP mailboxes.
Sharegate - Sharegate simplifies the migration and management of SharePoint, Office 365, and OneDrive for...
Gmvault - Backup the emails in your Gmail account.
AvePoint - AvePoint is the established leader in enabling enterprise collaboration across platforms and...
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
SysKit Security Manager - Meet your Office 365 security ally!