in prgramming can write a new program to modify this.
You need to change the MessageClass on the existing items to point to your
new form's class. See
http://www.outlookcode.com/d/newdefaultform.htm#convert for several tools
and scripts to accomplish this.

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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
>>-----Original Message-----
>>I have a contact folder full of contacts. I would like
[quoted text clipped - 3 lines]
>>new posts, but how can I change it for existing contacts
>>in the folder?