Create add-in for Outlook 2010

What is the best/easiest way to creat开发者_运维技巧e an add-in for Outlook 2010?

Will use VS2010 with C# for developing.

I need to: -Store credentials. -Access a web-service with credentials. -Support shortcuts(not a must have).

Anyone tested Add-in Express™ 2010 ?

-Stian

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I haven't tried Add-in Express. I recommend using Visual Studio Tools for Office (VSTO). It comes built in with Visual Studio 2010.
You should have it under "Office->Outlook 2010 Add-in" in the new project dialog.

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I used Add-in Express for years and liked it so much I wanted to work for the company - now I do! :-) If you're new to add-in development, VSTO can be - well, less than enjoyable. ADX is far quicker - and supports handling keyboard shortcuts in Outlook as well. Not to mention you can write one add-in that works in all versions of Office from 2000-2010.