https://osxdaily.com/2019/07/20/how-delete-microsoft-autoupdate-mac/
sudo rm -f /Library/"Application Support"/Microsoft/MAU2.0/"Microsoft AutoUpdate.app"
sudo rm -f /Library/LaunchAgents/com.microsoft.update.agent.plist
sudo rm -f /Library/LaunchDaemons/com.microsoft.autoupdate.helper.plist