Fix: 'File in Use' Error in Word

‘File in Use’ Error in Word

How to fix the ‘file is locked for editing by another user’ error in Word.

簡単な解決策

Wait for the other user to close the file, or ask them to. If no one has it open, a lock file (~$filename.docx) may be stale — delete it manually from the file location.

手順

1. Identify the problem — Note exactly when the issue occurs and any error messages
2. Try the quick fix — Apply the solution described above
3. Start Word in Safe Mode — If the issue persists, press Windows + R, type winword /safe, and test
4. Check for updates — Go to File > Account > Update Options > Update Now
5. Repair Office — If nothing else works, go to Settings > Apps > Microsoft Office > Modify > Online Repair

よくある質問

If the issue persists after trying all steps, contact Microsoft Support or visit answers.microsoft.com. Include your Word version (File > Account > About Word) and a description of the steps you’ve already tried.

予防

• Keep Microsoft Office updated with the latest patches
• Regularly back up important documents
• Avoid installing untrusted add-ins
• Use .docx format for all documents (not .doc)