If you need to back up and migrate your Office 365 emails/mailbox items on Mac OS, download EmailProHelp Office 365 Backup Tool. Using this helpful solution, users can back up 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 mailboxes into the application and view them in the preview pane.