Microsoft Word's spell checker is incredibly useful, so it's frustrating when it stops working. The good news is that this is entirely a software issue, and we're confident you can fix it yourself. Below are troubleshooting steps that apply to Word 2010 and later.
How to Fix Word Spell Checker Not Working [4 Easy Ways]
There are several reasons why Word's spelling and grammar checker might stop working. You may have changed a simple setting or your language settings may be turned off. There may be exceptions placed on your document or the spelling checker, or there may be a problem with your Word template.
The spell checker may give an error about the default language or say "Spelling and grammar check is complete" without marking any errors. Most of the time, you won't see a message; the tool just isn't working as you'd expect.
Whatever the reason why spell check isn't working, follow these troubleshooting steps in the order we listed them, trying the simpler solutions first:
