Looking for the best method to back up Office 365 on Mac? Relying only on Microsoft’s retention settings isn’t enough—especially when important emails, contacts, and documents must stay secure and accessible. The most reliable approach is to use a dedicated and automated backup solution that works smoothly on macOS. One of the most trusted options is the
MacProTools Office 365 Backup Tool for Mac. This professional utility allows you to safely back up Office 365 mailbox data including emails, calendars, contacts, tasks, and attachments into multiple formats like PST, MBOX, EML, PDF, and more. It supports full mailbox backup, selective downloading, incremental backup, impersonation login, and smart filters to save only the data you need. With its simple interface and secure authentication, you can quickly download all Office 365 data locally on your Mac for long-term protection or migration purposes. If you want a fast, reliable, and secure method to safeguard your Office 365 data on macOS, using this advanced backup tool is one of the most efficient solutions available today.