You can look up build numbers at Version numbers of update branches for Office 365 clients.

Replace xxxx.yyyy with the build number you want to revert to. If you are using Outlook 2016, 2019, or 365, copy the following line, then right click in the command prompt window to paste it. If you don't see Command Prompt on the menu, you'll need to type cmd on the Start screen to find the Command Prompt then right click on it and choose Run as Administrator

Older Windows version: Right click on the Start button and choose Command Prompt (Admin). Windows 10: Start typing cmd on the Start screen in the task bar search field to find the Command Prompt then click Run as Administrator Now you’re ready to roll back the click-to-run installation. In many cases, the “bad” file will be removed or replaced with a corrected update, and you can allow Office to install updates without reinstalling 'trouble' after a few weeks have passed. Next, create an appointment in your calendar for 30 days from now to remind yourself to check for updates. In Outlook (this is an Outlook help site after all), go to File, Office Account, Update Options and click on Disable Updates. You can disable updates from the File menu in any Office application. If you don’t disable updates, the problem update will reinstall itself. If you’re trying to install the latest Office over Office 2016, you need to uninstall the later, if you can’t remove Office 2016 you can use the Microsoft 365 Uninstall Tool.We’ve the instructions in this article on how to download and run the tool.First, you need to disable Office updates. The Fix It no longer avaiable, but you can still use latest Office 365 Support Uninstall Tool for the same. Note: Micorsoft initially offered Fix It Tool Microsoft Fix it 50450 to remove office. Pleae note, the tool does not remove office files, documents and other user data, they’ll be kept intact and no harm being done to your office documents. Click Next and wait for the process to complete.

When the Microsoft Support and Recovery Assistant dialog asks to choose office version.

Download the tool with file named setu pprod_officescrub.exe from Microsoft website and run it.

Uninstall office 2016 mac