Add-in Questions

I'd like to build a pretty simple plug-in for visual studio, but i don't really know how this has to be done. is this doable in (non-managed)

I am creating an outlook add-in following the official microsoft documentation:

I'm trying to create a ssms add-in. one of the things i want to do is to create a new query window and programatically connect it to a server

I need to be able to gzip compress a file in an excel vba function. specifically i need to be able to use the 'deflate' algorithm. is