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How to Repair or Completely Remove Microsoft 365 When It Won't Work
Question details
The user needs to repair or completely uninstall Microsoft 365 because the applications are failing to function, and standard removal methods are unsuccessful.
- Product
- Microsoft 365
- Device & OS
- Windows
- Scenario
- Attempting to fix or remove a broken Microsoft 365 installation.
- Observed behavior
- Microsoft 365 apps display a repair message and immediately close when a repair is attempted. Standard uninstallation via the Windows Control Panel also fails due to damaged files or conflicts.
Ensure you are logged into Windows with an Administrator account and have your Microsoft account credentials ready, as you will need them to reinstall Microsoft 365 after removal.
Perform an Online Repair via Control Panel
Use the built-in Windows repair tool to fix corrupted Microsoft 365 files without completely uninstalling the software.
Windows offers a built-in Online Repair feature that downloads and replaces missing or corrupted installation files for Microsoft Office applications.
Click the Windows Start menu, type 'Control Panel', open it, and navigate to 'Programs' > 'Programs and Features' or 'Uninstall a program'.
Scroll through the list of installed applications to find Microsoft 365 or your specific version of Microsoft Office.
Right-click the application and select 'Change'. In the pop-up window, choose 'Online Repair' (not Quick Repair) and click 'Repair' to begin the process.
Use the Microsoft Support and Recovery Assistant
When standard repair fails, use Microsoft's official troubleshooter to diagnose and completely remove conflicting or corrupted Office installations.
Switch to WPS Office for a Hassle-Free Experience
If Microsoft 365 continues to crash, fails to install, or throws frustrating errors, consider switching to WPS Office. It provides a lightweight, highly compatible alternative that installs quickly without the heavy registry footprint of Microsoft 365.
- 1. Download the Installer: Visit the official WPS Office website and click the free download button to get the setup file.
- 2. Install WPS Office: Open the downloaded executable file and follow the quick, lightweight installation wizard.
- 3. Open Your Documents: Launch WPS Office and open your existing Microsoft Office documents directly; no format conversion is needed.
Frequently Asked Questions
Why does Microsoft 365 close immediately after I click Repair?
This usually happens when the underlying installation files or Windows registry entries are severely corrupted, which prevents the built-in repair wizard from executing properly. In these cases, a forced removal using the Microsoft Recovery Assistant is required.
Will I lose my documents if I completely uninstall Microsoft 365?
No. Uninstalling Microsoft 365 only removes the application files (like Word and Excel). Your personal documents, spreadsheets, and presentations stored on your local drive or OneDrive remain entirely safe and untouched.
How do I manually remove Microsoft 365 if the uninstall tool fails?
Manual removal involves deleting specific Office folders within the Program Files directory and removing Office-related keys from the Windows Registry using the Registry Editor (regedit). Because registry editing carries system risks, it is highly recommended to follow Microsoft's official step-by-step manual uninstall guide carefully.
