Members of the site each have a user profile and can upload research output including papers, data, chapters, negative results, patents, research proposals, methods, presentations, and software source code. Users may also follow the activities of other users and engage in discussions with them.
Here is the official word from Microsoft TechNet, The C:\Users folder is shared when any sub folders from C:\Users\<username>\ is shared. The article is stale and mostly unhelpful, but worth knowing to complete the story.
3. Add a shared folder to a workgroup or domain. Locate the folder you want to share and right-click on it. Point to Share with and then click Specific People to open the File Sharing Wizard. 1  If you have a workgroup computer, click on the arrow next to the text box and select the correct name from the list.dd a shared folder to a homegroup. Locate the folder you want to share and right-click on it. Point to Share with and choose your desired sharing option from Homegroup (Read), Homegroup (Read/Write), or Specific People.