Custom actions are .dll components created with Extended MAPI to add
functionality to Rules Wizard. See
http://www.slipstick.com/addins/custom.htm

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
>I was setting up some Rules to manage my email and noticed that one of the
> options is to 'perform a custom action'. What are they? How do you
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>
> Thanks for your help.