You can try to install 16.43 versionįrom this link: Update history for Office for Mac And you no need to uninstall Office 2016 on your Mac. However, you are still able to use 16.43 version of Office. If you want to continue to use macOS High Sierra, you may not use 16.44 version of Office on this device. If you continue to use older versions of macOS, the Office app will still work, but you will no longer receive any updates, including security updates. Word, Excel, PowerPoint, Outlook, and OneNote.
From December 2020, 16.44 Microsoft 365 for Mac or Office 2019 for Mac updates, it takes macOS 10.14 Mojave or later to receive updates for We would like to explain some information about this scenario.
We are sorry that you got an error when you try to install Microsoft 365 on macOS 10.13.6.