Hi Frank,

For security reasons, there is no way to enforce the running of a macro. Nevertheless, if the form recipient enables macros on their PC (installation of the vba components as part of Word's setup can be denied) and allows it to run, I can see no reason why the code shouldn't run on just one PC.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]

Thanks Paul. Since my last post the manager who requested the form has seen a PDF example in use with another company that has 'sexy' Add and Delete Row buttons and she wants me to create one like that!
It would be done in Adobe Live Cycle Designer, which I do have as part of Acrobat Professional, but I just need to go away and learn how to use it now.

Thanks for your help anyway.