Microsoft Office Uninstall Support Tool (SetupProd_OffScrub.exe)
It is not a standalone "uninstaller" you download once. Instead, it is a diagnostic and remediation script within the . This official Microsoft utility can detect all Office installations (Click-to-Run, MSI, Microsoft Store versions) and forcibly remove every trace—registry keys, cached files, services, and activation tokens. microsoft office removal tool download windows 10
For advanced users, Microsoft provides a manual script: Microsoft Office Uninstall Support Tool (SetupProd_OffScrub
You are trying to install a different version and encounter a "prior version detected" conflict. and activation tokens. For advanced users
: The tool will scan your system for installed products. Select the version of Office you want to remove (e.g., Office 2019, 2021, or Microsoft 365).
cd %ProgramFiles%\Microsoft Office\Office16 cscript ospp.vbs /unpkey:XXXXX