The above object is achieved by an image forming apparatus connected to a network and used for forming an image on a sheet, comprising: a 1st obtaining unit operable to obtain via the network, with respect to each of one or more image files related to an authenticated user, (i) a corresponding identification information piece and (ii) a corresponding storage-destination information piece indicating a storage destination; a display unit operable to display the obtained identification information pieces; a receiving unit operable to receive a specification of, among the displayed identification information pieces, an identification information piece for an image file that the authenticated user desires to obtain; and a 2nd obtaining unit operable to obtain, via the network, the desired image file corresponding to the specified identification information piece from a storage destination indicated by a storage-destination information piece of the desired image file.