I can provide Excel code for that easily enough, but you'll need different code depending on whether your form uses formfields or content controls - you should not have both in the same document, because they aren't designed for use together and can lead to strange document behaviour when both are used in the same document. So, when you've sorted out what kinds of checkboxes you'll be using, post back and I'll provide some code to get you started.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]