>I have a client who uses Peachtree Complete Accounting version 8.0.02.044. Has anyone ever accessed the customer data directly or can it, must it, be exported from Peachtree?

Since you haven't had an answer in a few days, here are some possible leads.

Message#470860 indicates that Peachtree might use btrieve. YOu could see if there is a share btrieve ODBC driver out there to try it out.

Message#643654 this guy uses .CSV files for importing and exporting.