No formula can do something that complex. You'd need to use code behind the
form to determine who the current user is and then act accordingly. You can
get the user name from the parent folder of the Inbox.

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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 form in Outlook 2000, I would like to restrict users to a certain
> few who may enter data in a field. How do I write a formula to accomplish
> this?