SysInfo Office365 Backup for Mac is a great and enhanced utility to perform the backup and restoration of the Office 365 mailbox data. The utility is capable to export and save the mailbox data of Office 365 profile to PST, EML, EMLX, MSG, MBOX, HTML, and MHTML format. Users are also allowed to directly export their O365 mailbox to Gmail, Outlook, Thunderbird, Yahoo, and Zimbra email client. The tool also offers a feature to restore the backup of email items from the PST file to the Office365 profile. All the data remains the same as original throughout the backup and restore process.
Requires around 4 GB of RAM.
Needed 100 MB disk space for software installation.
Enough Hard Disk space to store the resultant output.
Compatible with Mac OS 10.8 (Mountain Lion), 10.9 (Mavericks), 10.10 (Yosemite), 10.11 (El Capitan), 10.12 (Sierra), and 10.13 (High Sierra).