Click "Uninstall" . The process takes 3–5 minutes. Do not interrupt it.
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
Run SaRAcmd.exe or the GUI version. Accept the license terms. Click "Uninstall"
Keep a copy of the Microsoft Support and Recovery Assistant on a USB drive. When Office breaks so badly that even the repair button is grayed out, you will be glad you have it. office removal tool