See http://www.slipstick.com/contacts/addauto.htm for various ways to save
senders or recipients as new contacts automatically, depending on your
version and configuration of Outlook.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Does anyone know how to automatically set up a rule that adds reply
> message
> recipients to the contacts or address book?