A method of encoding information into a file. Graphics or image files can be saved in many formats, including GIF, TIFF and JPEG. However, only digital photos formated as JPEG files can be uploaded to Shutterfly.
system software: The particular structure that a document (spreadsheet, graphics, text, etc.) is saved in. Text is a standard file format for words and numbers, and many applications can read text documents. Text file formats include ASCII (text only) and RTF (Rich Text Format), in addition to the particular format for your word processor. MacPaint and TIFF are standard file formats for bitmapped graphics, and EPS is a nearly standard file format for object-oriented graphics. Different applications use different formats and many can read and translate each others'. A document's file type is a four-letter code indicating its file format.