In an image forming apparatus, when embedded information, which is information embedded into received image file, is to be printed, the embedded information is extracted from the image file, form data for preparing a form that includes an information-embedding area where extracted embedded information is to be arranged and an image-data area where the image data in the received image file is to be arranged is prepared, a combined image is generated by combining the extracted embedded information in the information-embedding area and the image data in the image-data area, and the combined image is printed.