A recording/reproducing apparatus for recording as a QuickTime file a photographed motion image on a disc-like recording medium having plural recording areas different in characteristic. The plural areas include a first area guaranteeing a quick access speed and a second area which ensures a slower access speed than the first area. The recording/reproducing apparatus records a “movie” portion constituting the QuickTime file in the first area and a “media data” portion in the QuickTime file format in the second area.