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Fix Microsoft 365 Repair Now Not Working for Office Apps
Question details
Microsoft 365 applications remain unusable because the Repair Now option fails to fix the persistent launch errors.
- Product
- Microsoft 365
- Device & OS
- Windows
- Scenario
- Attempting to launch Office apps like Word or Excel and encountering a persistent error prompt where clicking Repair Now does nothing.
- Observed behavior
- Word, Excel, and PowerPoint refuse to open, displaying a repair loop that persists even after selecting Repair Now or performing a basic reinstallation.
Ensure you have your Microsoft account credentials ready, as completely removing and reinstalling Office will require you to sign back into your account. Also, close any running Office background processes via Windows Task Manager.
Completely Remove Microsoft 365 Using the Uninstall Support Tool
A standard uninstall via Windows Settings might leave behind corrupted registry keys or settings. The official Microsoft Support and Recovery Assistant ensures a clean slate before reinstalling.
If a standard uninstall and reinstall did not resolve the problem, the underlying corrupted configuration files are likely still present on your system. Using the official removal tool wipes these remnants completely.
Visit the official Microsoft Support website and download the Office Uninstall Support Tool (SetupProd_OffScrub.exe).
Launch the downloaded file and follow the prompts to install the Microsoft Support and Recovery Assistant. Select the version of Microsoft 365 you want to uninstall and click Next.
Once the tool finishes removing all Office components, restart your computer to apply the system changes.
Go to www.office.com, sign in with your Microsoft account, and click 'Install Office' to download and install a fresh copy.
Run a Complete Online Repair
If the Quick Repair or in-app 'Repair Now' button fails, an Online Repair downloads and replaces all corrupted Office files comprehensively.
Repair Corrupted Windows System Files
Underlying Windows OS corruption can prevent Office applications from launching properly, requiring SFC and DISM scans to fix.
Switch to WPS Office for a Reliable Experience
If Microsoft 365 continues to crash or fails to repair, WPS Office provides a free, lightweight, and highly stable alternative. It bypasses complex registry dependencies, installs in seconds, and completely eliminates frustrating 'Repair Now' loops.
Frequently Asked Questions
Why does Microsoft Office keep asking me to Repair Now?
This usually happens when an essential Office file is locked, corrupted, or blocked by a third-party antivirus program. Because the app cannot access the resources it needs to launch, it crashes and continuously triggers the repair prompt.
Will using the Office Uninstall tool delete my personal Word documents?
No. The Microsoft Support and Recovery Assistant only uninstalls the application files, registry keys, and settings associated with Microsoft 365. Your personal documents, spreadsheets, and PDFs are completely safe.
How long do the SFC and DISM system scans take?
The System File Checker (SFC) and DISM scans typically take anywhere from 10 to 30 minutes. The exact time depends on your hard drive speed, CPU performance, and the extent of system file corruption being repaired.
