Fix: Spell Check Not Working in Word
Quick Answer
Go to File > Options > Proofing and make sure 'Check spelling as you type' is enabled. Also check that the document language is set correctly: select all text (Ctrl+A), go to Review > Language > Set Proofing Language, and choose the correct language.
Why Spell Check Stops Working
Spell check failures are usually caused by incorrect language settings, disabled proofing, or corrupted proofing tools.
Step-by-Step Fix
Step 1: Enable Spell Check
- Go to File > Options > Proofing
- Check Check spelling as you type
- Check Mark grammar errors as you type
- Uncheck Hide spelling errors in this document only
- Uncheck Hide grammar errors in this document only
Step 2: Set the Correct Language
- Press Ctrl+A to select all text
- Go to Review > Language > Set Proofing Language
- Select your language (e.g., English (United States))
- Uncheck Do not check spelling or grammar
- Click OK
Step 3: Install Proofing Tools
If your language isn’t available:
- Go to File > Options > Language
- Under Office authoring languages and proofing, add your language
- If it shows “Proofing available” — click the link to install proofing tools
- Restart Word after installation
Step 4: Reset the Custom Dictionary
A corrupted custom dictionary can cause issues:
- Go to File > Options > Proofing > Custom Dictionaries
- Select the default dictionary
- Click Edit Word List
- Click Delete all to reset
- Click OK
Step 5: Repair Office
If nothing else works:
- Go to Settings > Apps > Microsoft Office > Modify
- Run Online Repair
- This reinstalls the proofing tools
Prevention
- Don’t accidentally set text to “Do not check spelling or grammar”
- When pasting foreign-language text, set it to the correct proofing language
- Avoid adding frequently misspelled words to the custom dictionary
Frequently Asked Questions
Why does spell check miss obvious errors?
The most common cause is the document language being set to a language you didn't intend. Select all text (Ctrl+A), go to Review > Language > Set Proofing Language, and make sure it's set to your language with 'Do not check spelling or grammar' unchecked.
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