Backup & Restore Office 365 MAC is a noted solution for Office 365 email database backup, recovery and restore. It will duplicate and upload info file formats of your Office 365 mailbox with email clients such as EML, PST, MSG, JSON, Gmail, HTML, Yahoo Mail, Thunderbird. In addition, OST data files and PST files can also be returned to Office 365 from the PC. It is an industry analyst suggested software. This software’s unique features efficiently support and backup the whole data of Office 365 mailboxes.