A family of Microsoft word processing software products for creating web, email, and print documents.
Try these steps in order:
- Restart the PC and try Word again.
- Update Office:
- Open any Office app if possible.
- Go to File > Account > Update Options > Update Now.
- If Update Now is not shown, choose Enable Updates first.
- Start Word in Safe Mode to check whether an add-in is causing the problem:
- Press Windows + R.
- Type
winword /aand press Enter. - If Word opens this way, the issue is likely related to add-ins or templates.
- Run an Online Repair of Office. This is more thorough than the Repair Now button in the error dialog:
- Open Settings.
- Go to Apps.
- Find Microsoft Office.
- Select Modify.
- Choose Online Repair, then Repair.
- Note: Online Repair reinstalls Office as part of the process.
- If Word still does not open, uninstall and reinstall Office using the Microsoft uninstall troubleshooter, then reinstall Office.
If the problem happens only with one document, the file may be damaged. Try:
- Open Word.
- Go to File > Open > Browse.
- Select the file.
- Click the arrow next to Open.
- Choose Open and Repair.
References:
- I get a "stopped working" error when I start Office applications on my PC
- How to troubleshoot problems that occur when you start or use Word
- Word not opening - Microsoft Q&A
- How to fix MS Word has run into an error that is preventing from working properly. Word will need to be closed as a result. - Microsoft Q&A
- Open a document after a file corruption error
- "Unable to start Office" or ”Office is busy” error message