Outlook can't do that, probably for performance reasons.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> We use Exchange 2003 and Outlook 2003 - When a user is sending new mail - it
> is set to search in Personal Contacts and then Global Address list to find a
[quoted text clipped - 6 lines]
> Thanks
> Paul