After several weeks of hard work, at TechEd we announced our latest work – Yes, you can now easily develop managed outlook add-ins with VSTO 2005. 

Read the following articles to get an overview

Introduction

In depth architecture article

End-to-End Task Add-in sample

Wait that’s not it…we have also worked hard to provide you all necessary material to get started…Enjoy!

Download Core Bits

Download Snippets Samples

Download Hands-on Labs

Download Feature Samples

Srinath