Save the form as an .oft file. Send it to the other people. Tell them to save it to their hard drive, then open it with the Tools | Forms | Choose Form command. Once it's open, they can use the Tools | Forms | Publish Form command to publish it.
FYI, there is a newsgroup specifically for Outlook forms issues "down the hall" at microsoft.public.outlook.program_forms or, via web interface, at
http://www.microsoft.com/office/com...spx?dg=microsoft.public.outlook.program_forms
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Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers