The document attached to the post in the link I gave you has a working document with content controls and the necessary macro coding. You should download it and see how it works. We can discuss modifications once you decide you want to use that approach.

Even for what you've described in post #17 a macro would be required. Indeed, a macro is required even to populate the listbox you were proposing to use - and that would make the setup much harder for inexperienced users to maintain.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]