Big Sur, the next major update be the first version of the OS compatible with both Intel-based and ARM-based Macs. The soon to be unsupported macOS 10.13 High Sierra was released three years ago, and Apple releases a new major update for its desktop OS every year in the fall season. The Office 365 apps for Mac are currently available from both the Mac App Store and a standalone installer you can get on /setup Either way, Office 365 (now Microsoft 365) subscribers get monthly updates with quality and security fixes every month. New installs of Office 365 for Mac will also require macOS 10.14 Mojave or newer starting next month.
If you continue with an older version of macOS, your Office apps will continue to work but you will no longer receive any updates including security updates”, the company explained. “As of the Microsoft 365 for Mac November 2020 update, macOS 10.14 Mojave or later is required to receive updates to Word, Excel, PowerPoint, Outlook and OneNote. Microsoft announced the change on its Office 365 message center, and users of these older versions macOS will no longer get app updates and new features starting next month.
Office 365 for Mac apps will no longer be supported on macOS 10.13 High Sierra or older starting November 10, 2020. Office 365 for Mac will drop support for macOS 10.13 High Sierra next month
