High security document storage and retrieval system

A file folder for use in a document storage and retrieval system having a host computer, a mass storage device containing document identification data and document location data specifying the location of a document in the system, and at least one storage cabinet having at least one drawer for removably receiving file folders containing documents;

• said file folder comprising:
• a body member having a compartment for removably retaining at least one document, said body member having an upper margin;
• a support brace located adjacent said upper margin, said support brace having a pair of downwardly opening notches at opposite ends thereof, each notch having electrically conductive members for proving electrical communication with a source of document identification signals;
• a file folder microcontroller unit mounted on said brace and electrically coupled to said electrically conductive members;
• a visible indicator mounted adjacent said upper margin and coupled to said file folder microcontroller unit for operation thereby;
• and
• a memory mounted on said brace and coupled to said file folder microcontroller unit, said memory containing an electronic version of a document in said compartment.