72 Data Interchange Format Text (Structured) Data Interchange Format (.dif) is a text file format used to import/export single spreadsheets between spreadsheet programs (OpenOffice.org Calc, Excel, Gnumeric, StarCalc, Lotus 1-2-3, FileMaker, dBase, Framework, Multiplan, etc.). It is also known as Navy DIF. One limitation is that DIF format cannot handle multiple spreadsheets in a single workbook. Text Little-endian (Intel) 1 Digital Preservation Department / The National Archives 02 Aug 2005 03 Aug 2015 x-fmt/41 PUID dif File extension 380 Data Interchange Format Header begins with TABLE on first line, the pair 0,1 on the second line, a title string in quotes on the third line and VECTORS on the fourth line. 1 Absolute from BOF 0 Little-endian 5441424C450D0A302C310D0A22{1-100}220D0A564543544F52530D0A