Fixing Office 365 Apps Not Opening
Learn troubleshooting steps to fix issues with Office 365 apps not opening on your computer.
Written by James Lefcakis
Updated at December 5th, 2024
Problem: Office applications (Word, Excel, Outlook, etc.) do not open or show errors.
Steps to Resolve:
- Repair Office installation: Go to Control Panel > Programs > Programs and Features, select Office, and choose "Repair."
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Delete cached files: Navigate to
C:\Users\[YourUsername]\AppData\Local\Microsoft\Office, and delete temporary files. - Check for updates: Open an Office app, go to File > Account > Update Options, and click "Update Now."
- Disable compatibility mode: Right-click the Office app shortcut, go to Properties > Compatibility, and uncheck "Run this program in compatibility mode."
- Reinstall Office: Uninstall Office via the Control Panel, then download and reinstall the latest version from the Office portal.
