To manage an electronic document and a paper document correlatively to each other, to allow easy recognition of a preservation place of the paper document, and to cope with even a shift of a management form to a paper document having comparatively low using possibility from a paper document having comparatively high using possibility.
This document management device 10 managing the electronic document and the paper document has an electronic document storage part 10d storing the electronic document corresponding to the paper document correspondingly to a folder preserving the paper document, a preservation document information storage part 10a storing a management place of the paper document having comparatively high use frequency, and a preservation document information storage part 10b storing a management place of the paper document having comparatively low use frequency. When retrieving the paper document, the document management device 10 map-displays the management place of the paper document. Further, when retrieving the paper document, the document management device 10 extracts a paper document that is a shift candidate to the preservation document information storage part with preservation period information as a key, and extracts a paper document that is a disposal candidate with the preservation period information as a key.
TARUI KAZUHITO
MAEDA NATSUKO
HATAKEYAMA KYOKO
