Office 2003 GPO reference settings excel

As for Operating System, you can have the great Excel file that contains all settings that can be set from GPO on office 2003.

Download the Office 2003 Service Pack 3 Administrative Template (ADM), OPAs, and Explain Text Update:

http://www.microsoft.com/downloads/details.aspx?FamilyID=BA8BC720-EDC2-479B-B115-5ABB70B3F490&displaylang=en

It contains Office 2003 Group Policies.xls