All users will see the same categories on the ***items***. The master
category list, however, is local to each user. See
http://www.slipstick.com/outlook/olcat.htm

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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
>I have a couple of address books that I'm sharing on the Exchange 2003
> server. Some of the users would like to arrange the contacts by using the
> Categories feature in Outlook. It does appear these category changes are
> made globally. How do I adjust the settings to make this a possibility?