Dear Ryeberry,
by default the categories can not be shared.
Here is a website with a solution
"how you can share your categories with other users, without overwriting the
custom categories that already exist":
http://www.outlook-tips.net/howto/categories.htm
--
Oliver Vukovics
Share Outlook without Exchange: Public ShareFolder
Notebook Synchronisation for Outlook: Public SyncTool
http://www.publicshareware.com
>I have an attorney that would like several different secretaries to update
> his categories throughout his contact list.
[quoted text clipped - 5 lines]
> categories and vice-versa. Is there any way to do this so everyone sees
> just one Master Category List?