The default can't be changed.

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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 an Outlook / Exchange public tasks folder, and
> need to insert files as hyperlinks instead of
> attahcments. Does anyone know how to change the
> defualt "insert as" option on the button?
>
> Thanks.