When standard uninstallation fails, you are left with digital debris: broken registry keys, hidden service entries, and corrupted installation files that prevent any new version of Office from being installed. This is where the (officially known as the Microsoft Support and Recovery Assistant or SaRA ) becomes the hero of the day.
SaRA is an official, Microsoft-signed diagnostic tool designed to automate complex troubleshooting. One of its most powerful modules is the ability to every trace of Microsoft Office from your system. office removal tool
Select "Uninstall Office" .
Select "Office" > "I've installed Office via Microsoft Store / Click-to-Run" (or choose MSI if you have an old perpetual license). When standard uninstallation fails, you are left with