It's rather more complicated than that, since there is no way to prevent someone from adding a field to a view. You would need to store the protected data in a separate folder, preferably with different permissions, and add code to a custom form to load the protected data only for authorized users.
--
Sue Mosher, Outlook MVP
Outlook and Exchange solutions at http://www.slipstick.com
Author of
Microsoft Outlook Programming: Jumpstart
for Administrators, Power Users, and Developers http://www.slipstick.com/books/jumpstart.htm
