Check the Spelling as You Type in Mac OS X Mail
To have spelling checked as you type in Mac OS X Mail:
- Select Edit | Spelling and Grammar | Check Spelling | While Typing from the menu while composing an email.
To check the spelling as you type in Mac OS X Mail 1, 2 and 3:
- Select Edit | Spelling | Check Spelling As You Type from the Mac OS X Mail menu so that it is checked.
- If Check Spelling As You Type is not yet checked, click on it.
- If Check Spelling As You Type is already checked, leave the menu without making any changes.
Now, Mac OS X Mail will mark all spelling mistakes that its spell checker detects by underlining it with a dashed red line. To correct the spelling, click on the underlined word while holding down the Ctrl key or click with the right mouse button.

