briefcase

noun2

1. •
   a flat case with a handle, in which people carry papers, often to and from work
2. •
   In Microsoft Windows, a folder that supports file synchronization between itself and another folder.

   • You create a briefcase called Files where you store all your important documents. The briefcase is stored on your Tablet PC's C: drive, and the source files reside on your server. — 2004