I've been asked many times, "How do I publish my VSTO/Office Add-in installation files to a SharePoint site?". It's relatively straight-forward to publish to a basic web site, or to a UNC file share, but SharePoint is a slightly different beast.
So, how do you publish your add-in to a SharePoint site? Well, if you watch this short five and half minute video you will get the skinny on how to do just that. There are a few basic steps that need to be done in order to accompllish this that I will walk
you through in the video, enjoy!