The "on/off" button is at Office Button | Word Options | Proofing: "Check
spelling as you type." Sometimes Word will turn this feature off by itself
if you have too many "misspelled" words for it to keep track of.

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
>I don't know why, but the automatic spell checker (that flags misspelled
> words as you type) for my Word 2007 has mysteriously turned off. Does
> anyone
> know how to turn it back on. I have searched all through the menus and
> cannot find the "on/off" button for this option. Please Help me! Thanks.