An information processor capable of arbitrarily and easily setting the print order of plural files, and creating print data from the files as one print job is provided. In the processor comprising the function of creating print data on a user interface screen based upon a prescribed file following a drag-and-drop operation of a file icon corresponding to the file or a folder icon corresponding to a folder that stores the file onto a printer icon corresponding to the image formation apparatus, plural files are managed, while being ordered, based upon a prescribed order of the file icons in a window of the folder storing the files, and print data of the plural files is created as one print job in the print order corresponding to the order in which the files are managed following the drag-and-drop operation of the folder icon onto the printer icon.