Overview
If Word, Excel, or another Office app will not open or keeps crashing, try the following steps.
Step 1 - Restart Your Computer
A simple restart often clears temporary issues. Try this first before proceeding.
Step 2 - Update Office
- Open any Office app
- Click File > Account > Update Options > Update Now
- Install any available updates
Step 3 - Run Office Repair (Windows)
- Go to Control Panel > Programs and Features
- Select Microsoft 365 Apps
- Click Change > Quick Repair
- If issues persist, run Online Repair
Step 4 - Reinstall Office (Mac)
- Drag the Office apps to the Trash from the Applications folder
- Download the latest version from www.office.com
- Reinstall and sign in again
Notes
- These steps fix most problems with apps not starting or crashing
- If issues persist after completing all steps, contact Twilight I.T. for further assistance