If you’re on an unsupported version of macOS, your Office apps will still work but you would not receive any updates including security updates. According to Microsoft, the latest Office 2019 is changing to only support Apple’s three most recent versions of macOS (currently macOS 10.14, 10.13, and 10.12.), while the 2016 version can still run on macOS 10.11 and 10.10. Still using Office for Mac 2011 on your Mac? Have no idea how to completely remove the older version before installing the latest one? If you want to uninstall Microsoft Office without any trace left, follow the correct steps in this removal guide.Ībout the app: Microsoft Office for Mac requires a one-time purchase, and includes the classic Word, Excel, PowerPoint and OneNote. How to Properly Uninstall Microsoft Office for Mac