It probably would be possible to write your own Outlook code to perform that
kind of lookup.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Is anyone aware of how to update the subject line from an incoming "efax"
> to
> match an Outlook contact? It is cumbersome to have to scan through fax
> numbers to try and recognize a particular fax.