Abstract: A hanging file system that makes use of an improved hanging binder. The filing system includes a number of complementary hanging file supports, implementations and accessories. In one aspect of the present invention, the hanging binder makes use of a common center post to support a telescopic section of the hanger members. In another aspect of the present invention, hanging binder supports are designed to complement usage of the hanging binder to provide filing of loose-leaf papers, such as a hanging file sleeve provides support for portable storage of hanging file, a hanging file carrying case provides easy handling of hanging files, and a foldable hanging file base may be folded during shipment or when the case is not in use. In another aspect of the present invention, a hanging binder supports a receptacle, such as an envelope or file pocket, that provides filing of lose papers and/or articles.