To provide an image file recording apparatus etc. which can record an image file itself without overlapping, while a plurality of image files can be handled as one file or an individual file.

A recording medium 112 is divided into clusters, configuring a data region, an FAT, and a directory to record a directory entry. A computer 117 respectively records a plurality of image data so that the head of image data is located in the head in the cluster. Further, regarding one multi image file including the plurality of image data, the computer 117 performs recording to the FAT and recording of the directory entry by a file name having a first extension, and at the same time, regarding a single image file including one image data among the plurality of image data, performs recording of directory entry by a file name having a second extension different from the first extension in regard to each of the plurality of image data.