Are you looking to provide a safeguard to your Office 365 from many internal as well as external threats? If yes, you have landed on the right page where we will make you aware of Office 365 backup solutions, which will help to back up the data of Office 365 mailboxes. MacSonik Office 365 Backup tool is the premium software to backup emails, contacts, calendars & tasks from Office 365 mailbox to PST, OST, MBOX, etc. formats on macOS. Using this utility you can migrate an O365 mailbox to Gmail, IMAP, iCloud, Live Exchange, etc. This software removes similar mail items from the conversion process.