http://blogs.msdn.com/pstubbs/archive/2005/09/15/467778.aspxThis is an excellent question posed by TQ, one of our architects, on his blog . The definition of an add-in is: An “Add-in” is any component that is dynamically discovered and loaded by its host. It usually is compiled separately from the host and theen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/pstubbs/archive/2005/09/15/467778.aspx#9652869Fri, 29 May 2009 15:41:47 GMT91d46819-8472-40ad-a661-2c78acb4018c:9652869VSTA Q & A Blog<p>I have a couple of questions that I hope you could answer. 1) It seems that any time the VSTA documentation</p>