Generating multiple image files from an original document or original image data

A disclosed image file generating apparatus includes an original document reader, a dividing preferences input, a name preferences input, and an image file generator. The original document reader converts an original document to original document data. The dividing preferences input inputs dividing preferences information, including divide number information specifying a number of originals to be included in each of the image files to be generated. The name preference input inputs name preferences information, including file name information specifying a file name to be assigned to each of the image files, and file initial number information specifying an initial sequential number to be assigned to each of the image files. The image file generator generates the image files corresponding to the original image data, according to the dividing preferences and the name preferences.