Yes, Outlook has a built-in forms capability. It works best, however, in corporate environments where everyone is using Outlook to connect to Exchange Server. See http://www.slipstick.com/dev/forms.htm
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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