SetupProd-OffScrub.exe and select Run as administrator . (Running without admin rights will cause the tool to fail.)

Old shortcuts may remain. Delete them manually—they are just links pointing to removed files.

After the restart, your system is completely free of Office remnants. You can now reinstall Office cleanly.

Its primary purpose is to completely remove Microsoft Office products (such as Office 365, Office 2016, Office 2013, and Office 2010) from a computer. Unlike a standard uninstall via the Windows Control Panel—which often leaves configuration files and registry keys behind—SetupProd-OffScrub.exe is designed to be aggressive. It hunts down and deletes residual data that prevents a fresh installation.

If you are facing recurring Office activation prompts, update failures, or installation errors that standard fixes cannot resolve, let Microsoft’s own come to the rescue. Just remember: with great power comes great responsibility—back up your Outlook data files before you scrub.

If you prefer not to use the scrubber:

: If the tool fails to run due to connection errors, ensure your browser security settings allow secure channels or try downloading it from a different network. Technical discussions on Microsoft Learn suggest checking your TLS cipher suites if the tool persists in failing on Windows Server environments.

In short, whenever Windows’ built-in uninstaller cannot completely remove Office, SetupProd-OffScrub.exe is the nuclear option.

You will see a warning: "This will remove all Office installations and activation data." Click to confirm.

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