Using spell check
It's easy to check your spelling while composing Gmail messages. Here's how:
- Click 'Check spelling' along the top of the message you're composing.
- Click the misspelled word (highlighted in yellow) to see Gmail's suggestions for similar words.
- Select a suggested word from the list to replace the misspelled word.
- Click 'Done' along the top of the message to continue composing, or click 'Send' to send your message.
This feature is not available in Gmail's basic HTML view.
Reference Using Spell check