This feature is not built into Outlook. See http://www.slipstick.com/addins/groupcontacts.htm for available methods.

Signature
Sue Mosher, Outlook MVP
Outlook and Exchange solutions at http://www.slipstick.com
Author of
Microsoft Outlook Programming: Jumpstart
for Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> How would I setup a global contact list for everyone in my
> firm to have access to. How would I update list? We do
> not use Microsoft Exchange. Is this possible? Thank you.