An image processing apparatus includes: an image data arrangement unit configured to perform the arrangement of print image data of each page on both sides of a sheet, according to multiple-fold printing which assumes a multiple-fold equal to or more than three folds; a preview display unit configured to display on a screen the image data with at least one of fold positions in the multiple-fold being folded and with at least one of the other fold positions being spread, on the basis of the arrangement by the image data arrangement unit; and a print command output unit configured to output a print command based on an arrangement mode displayed on the preview display unit.