Electronic document management device, electronic document management method, recording medium recording electronic document management program, and recording medium recording program for creating electronic document, the device having an electronic document storage unit that includes a plurality of boxes, wherein an access right having a different level is assigned to each of the plurality of boxes

An electronic document management device including: an electronic document storage unit that includes a plurality of boxes for storing electronic documents, each box being accessible to a user or a user group having an access right thereto, each of the plurality of boxes storing an electronic document that includes one or more constituent elements, each constituent element being attached with either disclosure-enabled information or disclosure-disabled information depending on a box storing the electronic document; and a modifying unit operable to modify, for each box, each constituent element that is attached with the disclosure-disabled information, so as not to be disclosed.