In this article, we’ll cover everything you need to know: what the tool is, where to download it safely, how to use it step-by-step on Windows 10, and what to do if the official tool fails.
Some Office installation failures stem from missing Windows 10 cumulative updates. Run .
The (officially part of the Microsoft Support and Recovery Assistant) is a utility designed to completely scrub all Office installations, caches, registry keys, and activation files from your system.
Microsoft Support and Recovery Assistant (SaRA)
This tool can damage other applications if misused.


In this article, we’ll cover everything you need to know: what the tool is, where to download it safely, how to use it step-by-step on Windows 10, and what to do if the official tool fails.
Some Office installation failures stem from missing Windows 10 cumulative updates. Run .
The (officially part of the Microsoft Support and Recovery Assistant) is a utility designed to completely scrub all Office installations, caches, registry keys, and activation files from your system.
Microsoft Support and Recovery Assistant (SaRA)
This tool can damage other applications if misused.