I'm not clear on how you got into your situation, but perhaps this KB item will help: http://support.microsoft.com/?kbid=195507

...Jim

>I mistakenly removed this service from Outlook and now cannot add it. Does anyone know what DLL files are required to have this internet e-mail service show up in the listbox of available services for Outlook, or do I have to go through a full reinstall?
>
>Jon