Abstract: Disclosed is a document management device capable of sharing documents in such a form that each user can simply search out the required document. The document management device has a configuration of operating in such a status that after some users have executed the operation of setting the disclosing destinations in some self-containers and after some users have performed the operation of setting the browsing request destinations in the self partner view containers, the container names of the containers possessed by the users designated as the browsing request destinations by the user of the partner view container and related to the container group in which the owner designates these users as the disclosing destinations, are displayed under the partner view container.