If you need to back up and migrate your Office 365 emails/mailbox items on Mac OS, download MacSonik Office 365 Email Backup Tool. Using this helpful solution users can backup and migrate O365 emails to Gmail, Thunderbird, iCloud, IMAP, HotMail, PDF, PST, MBOX, etc. It enables users to Remove Similar Mail items from the conversion process. Moreover, users can perform bulk backups and migration of their Office 365 mailbox into the application and view them in the preview port.