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Microsoft 365 and Office | Microsoft 365 Defender | For home | Windows
An integrated threat protection solution designed to detect, investigate, and respond to cyber threats across Microsoft 365 services.
To repair a Microsoft Word installation, repair the Office or Microsoft 365 suite that Word is part of.
- Restart the laptop first. Sometimes that resolves the issue.
- Open the repair tool based on Windows version:
- Windows 11: Right-click Start → Installed apps.
- Windows 10: Right-click Start → Apps and Features.
- Find Microsoft 365 or Office, then select:
- Windows 11: click the three dots → Modify
- Windows 10: select the app → Modify
- Choose the repair type:
- Online Repair → Repair: more complete fix.
- Quick Repair: faster, but only detects and replaces corrupted files.
- Follow the on-screen steps to finish.
- Restart the computer if prompted.
Important:
- This repairs the entire Office suite, not just Word.
- If Word is installed as a standalone app, select Word instead.
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