Question : Outlook 2003 Add-In

I am trying to install an Outlook 2003 Add In Developed in Visual Studio.  The add-in say it is installed correctly but nothing actually appears in Outlook.  

Answer : Outlook 2003 Add-In

Are you deploying ithe Add-in using a setup program?
If so, did you follow the steps shown in the link:
http://msdn.microsoft.com/en-us/library/aa537179(office.11).aspx
(the section "Walkthrough: Enhancing the Outlook Add-in Setup Project")
Please post your registry key located at:
HKEY_CURRENT_USER\Software\Microsoft\Visio\Addins\ ID>
so we can check that your Add-In has been installed correctly.