Create a form letter merge with the data fields placed so that they are
correctly located when printed on your certificates. Practice the layout on
plain paper until you are happy with the result when laid over the
pre-printed certificate. Then mail merge is no different to any other.
Follow the merge wizard.

Signature
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Graham Mayor - Word MVP
My web site www.gmayor.com
Word MVP web site http://word.mvps.org
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> I want to fill out some pre-printed certificates using Word 2000 and
> I will need to use mail merge since their will be multiple
> certificates. Can someone tell me how to do this?