An image processing apparatus comprising an retrieving unit configured to retrieve a first image file representing a motion image and a second image file representing a still image, a display image file generating unit configured to generate, from the first image file, a first single display image file comprising a plurality of frame images extracted from the first image file; a display control unit configured to display the first single display image file and a second single display image file adjacent to each other, the second single display image file comprising the still image represented by the second image file; a selection accepting unit configured to accept a selection of one from among the first single display image file and the second single display image; and a printing data generation unit configured to generate print data to be used for printing based upon the selection.