A discard certification output device is installed in one of a document generation apparatus generating a document, a document discard apparatus discarding the document, and a server connected to the document generation apparatus and document discard apparatus, the discard certification output device including: a discard information acquisition unit that acquires information concerning a document discard in the document discard apparatus; and a discard certification output unit that converts the information acquired by the discard information acquisition unit into a visible image in a predetermined format and outputs the visible image as discard certification.