How to use spell check in Word If automatic spell checking is turned on — which it should be by default — it's easy to accept and reject misspelled words and see potential grammar problems.

The Spell Checker feature in Office 365 helps users with their grammar and is available in Outlook, Word, PowerPoint, and Excel.

You can select “basic” spell check, “enhanced” spell check, or you can customize spell check by adding in specific words (such as your last name).

Microsoft added spell check to Notepad last year after killing off WordPad.

How do I change my spell check language in Word? To change the spell check language, go to Review > Language > Set Proofing Language in Word. Select your preferred language from the list.