Word Crashes Saving Documents with Comments – Fixed

30-Second Fix: Save As a New Name

This is the fastest thing to try. It often works because the original file might have a small corruption that Word stumbles on when saving comments.

1. Open the document that's crashing.
2. Click File > Save As (or press F12).
3. Pick a new location or just the same one, but give the file a different name – like MyDoc_v2.docx.
4. In the Save as type dropdown, keep it as Word Document (*.docx). Don't change to .doc or .rtf – that changes formatting.
5. Click Save.

What you should see after: Word saves the file without crashing. The comments should still be there. If this works, you're done. If it crashes again, move to the next fix.

5-Minute Fix: Disable All Add-Ins

Add-ins are the most common cause of Word crashes during saves, especially with comments. Comments trigger multiple background operations, and a bad add-in can't handle that.

1. Close Word completely.
2. Open Word in Safe Mode: Press Windows Key + R, type winword /safe, press Enter. Word opens with no add-ins loaded. You'll see "Safe Mode" in the title bar.
3. In Safe Mode, open the problem document. Try saving it (Ctrl+S).
4. If it saves without crashing, the culprit is an add-in. Go to File > Options > Add-ins.
5. At the bottom, next to Manage, select COM Add-ins from the dropdown, then click Go.
6. Uncheck every box to disable all add-ins. Click OK.
7. Close Safe Mode Word. Open Word normally. Try saving the document again.

What to expect: If it now works, re-enable add-ins one at a time (restarting Word each time) until you find the one that breaks it. For me, it's almost always an old PDF converter or a grammar checker like Grammarly. You can leave that one disabled or update it.

If Safe Mode also crashes on save, skip to the advanced fix below – the problem is in the file itself.

15+ Minute Fix: Repair the Document (and Office)

This fix tackles file corruption head-on. It's more involved, but it's saved dozens of docs for my users. You'll need a second copy of the file for comparison.

Step 1: Extract the Document's XML

Word files are ZIP archives. By renaming the file, you can open it and fix the corrupted part manually.

1. Make a backup copy of the crashing file. Just copy it to a different folder.
2. Right-click the original file, choose Rename, and change the extension from .docx to .zip. Windows will warn you – click Yes.
3. Double-click the ZIP file to open it. You'll see a folder called word inside.
4. Open the word folder. Look for a file named comments.xml (or comments1.xml, comments2.xml, etc., depending on how many comment threads there are).
5. Drag one comments.xml file out to your desktop. Then delete it from the ZIP. (This removes the comments – they're what's causing the crash.)
6. Close the ZIP window. Rename the file back from .zip to .docx. Open it in Word.

What happens next: Word will say "Word found unreadable content in [filename] – Do you want to recover the document?" Click Yes. The document opens with all comments gone. Save it immediately with a new name. Then you can re-add comments if needed, but test saving each time.

Step 2: Run an Office Repair

If the above didn't work, your Word installation might be damaged.

1. Close Word.
2. Go to Control Panel > Programs and Features.
3. Find Microsoft Office in the list. Click it, then click Change.
4. Choose Quick Repair first. It takes about 5 minutes and doesn't need internet.
5. After it finishes, restart your PC. Open Word and try saving the document again.

Still crashing? Run the Online Repair from the same menu. That downloads fresh files from Microsoft, takes about 20 minutes, but fixes deep corruption. I've seen this fix Word crash issues that nothing else could.

Why This Happens

In my years supporting Office, I've seen Word crash on save with comments for three main reasons:

• Bad add-ins: Especially third-party grammar tools or PDF creators that hook into Word's save process. Disable them.
• File corruption: Comments are stored in a separate XML part inside the DOCX. A tiny corruption there, and Word chokes.
• Office installation glitch: Updates that didn't install cleanly, or missing DLLs. The online repair fixes that.

One real-world trigger: I had a client who used the "Track Changes" feature heavily, then saved, and Word would freeze for 30 seconds before crashing. Turned out an old PDF add-in was trying to index every comment. Disabling that add-in solved it instantly.

Try the fixes in order. Most people stop at the 30-second fix. But if you're reading this section, you've probably already tried that. Go with the add-in disable first – it's the most common, and it's quick. Only resort to the XML extraction if you absolutely need to keep the comments. Otherwise, just delete them and start fresh.