DOCUMENT MANAGEMENT SYSTEM, SEARCH DESIGNATION METHOD, AND STORAGE MEDIUM

A document management system according to the present invention manages a plurality of documents in which attribute names and attribute values corresponding to the attribute names are set as attributes. The document management system displays the attribute names and the attribute values set for a document selected from the plurality of documents, and selects at least one attribute value from the displayed attribute values. When an instruction to display a search screen is issued, the search screen is displayed, and a search conditional expression of an attribute search is set in the search screen, wherein if the instruction to display the search screen is issued in a state where the at least one attribute value is selected, the search screen is displayed in which the selected at least one attribute value is set for the search conditional expression.