If you are struggling with a "stuck" Office installation or cannot uninstall it through the standard Control Panel, use these official methods: Uninstall Microsoft 365 or Office from a PC
The official Microsoft Windows Installer CleanUp Utility (MSICUU2.exe) was years ago and is no longer available for official download. microsoft office installer cleanup utility download
While it was effective for clearing corrupted installation data, it was found to occasionally damage other Windows components. For modern versions of Microsoft 365 and Office (2016 through 2024), Microsoft has replaced it with more advanced, safer automated tools. If you are struggling with a "stuck" Office