With the release of macOS 10.15 Catalina,Office 365 for Mac and Office 2019 for Mac support macOS 10.15, 10.14, and 10.13.
Moving forward, as new major versions of macOS are made generally available, Microsoft will drop support for the oldest version and support the newest and previous two versions of macOS. Updating macOS Sierra 10.12.6 improves security, stability and compatibility of your Mac. Whatever the task in front of you or standing, you can always talk to Siri - your intelligent assistant on your Mac. To process the photos, listen to music and access messages became more interesting.