Fix: Features Missing After Switching Office Versions

Features Missing After Switching Office Versions

How to handle feature differences when switching between Microsoft 365 and Office 2021.

簡単な解決策

Microsoft 365 includes features not in Office 2021 (like real-time co-authoring, AI features, and frequent updates). Check File > Account to see your version. To get all features, upgrade to Microsoft 365.

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)