Yes, if you store all the client details in an Excel workbook or Access database, with a separate field for surname, given name, street address, suburb, postcode, state, phone, etc, then the data for every client will be readily accessible for any kind correspondence/reporting, all via Word's mailmerge tools and/or the tools in the parent application.

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]