This is a step by step guide how to Upgrade or Downgrade Microsoft 365 desktop application with cmdlet with reinstallaltion
Update history for Microsoft 365 Apps
https://docs.microsoft.com/en-us/offi...
Path for the Executable file already your PC
cd %programfiles%\Common Files\Microsoft Shared\ClickToRun
Executable cmdlet
officec2rclient.exe /update user updatetoversion=16.0.XXXX.XXXX