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How to Fix Microsoft Office Repair Now Error (Excel, Outlook Crashing)
Question details
Users encounter a 'Repair Now' error when opening Microsoft Office applications like Excel, Outlook, and OneNote. Clicking the repair button fails to fix the issue, resulting in app crashes.
- Product
- Microsoft Office (Excel, Outlook, OneNote)
- Device & OS
- Windows
- Scenario
- Attempting to launch and use Office applications for daily work tasks.
- Observed behavior
- The application displays a prompt stating it cannot work correctly, provides a 'Repair Now' button that does nothing, and then abruptly closes.
Make sure you have your Microsoft account credentials ready and a stable internet connection, as performing an Online Repair requires downloading fresh installation files.
Perform an Online Repair via Windows Settings
Use this solution first to download and replace corrupted installation files that the local 'Repair Now' button fails to fix.
The built-in 'Repair Now' button often performs a superficial scan that misses deeper corruption in the Microsoft Office installation directory. Using the Online Repair tool thoroughly replaces problematic files.
Click the Start button and select 'Settings' (the gear icon), or press the Windows Key + I on your keyboard.
Go to 'Apps' in the left menu, then click on 'Installed apps' (or 'Apps & features' in Windows 10).
Scroll down or search for 'Microsoft 365' or 'Microsoft Office'. Click the three-dot menu next to it and select 'Modify'.
When the repair window appears, select 'Online Repair' instead of Quick Repair, and click the 'Repair' button. Wait for the process to complete and restart your computer.
Start Office Applications Without Add-ins (Safe Mode)
Use this method to determine if a corrupted or incompatible third-party add-in is causing Excel or Outlook to crash.
Clear OneNote Cache and Use the Support and Recovery Assistant
If standard repair methods fail, clear cached data and utilize Microsoft's dedicated diagnostic tool to cleanly reinstall Office.
Switch to WPS Office for a Stable and Lightweight Experience
If Microsoft Office continues to crash with 'Repair Now' errors and disrupts your workflow, consider switching to WPS Office. It is a completely free, lightweight alternative that offers excellent compatibility with all Microsoft Office file formats without the heavy resource usage.
- 1. Download WPS Office: Visit the official WPS website and download the free installation package for your Windows PC.
- 2. Install the Software: Run the installer and follow the on-screen instructions to quickly set up WPS Office on your computer.
- 3. Open Your Office Files: Launch WPS Office and directly open your existing Excel, Word, or PowerPoint files without losing any formatting or data.
Frequently Asked Questions
Why does the 'Repair Now' button in Office not work?
The 'Repair Now' button often performs a quick local repair that fails to fix deeply corrupted installation files, missing registry keys, or conflicting add-ins. An 'Online Repair' from the Windows Settings is usually required to download fresh files and resolve the underlying issue.
Will repairing Microsoft Office delete my files or Outlook emails?
No, performing a Quick Repair or Online Repair will only replace corrupted application files. It will not delete your personal documents, spreadsheets, OneNote notebooks, or Outlook data files (.pst/.ost).
How do I start Excel or Outlook without add-ins?
You can start Office apps in Safe Mode by holding down the 'Ctrl' key while clicking the application shortcut. When prompted to start in Safe Mode, click 'Yes'. This temporarily disables third-party add-ins that might be causing the software to crash.
Where is the OneNote cache folder located on Windows?
The OneNote cache is typically located at %localappdata%\Microsoft\OneNote\16.0\Cache. You can paste this exact path directly into the Windows File Explorer address bar to quickly access and delete the corrupted cached files.
