1652 Genealogical Data Communication (GEDCOM) Format Text (Structured) GEDCOM is a proprietary specification for exchanging genealogical data between different genealogy software, developed by The Church of Jesus Christ of Latter-day Saints (LDS Church). 1 Digital Preservation Department / The National Archives 06 Jan 2016 06 Jan 2016 fmt/851 PUID ged File extension 1210 GEDCOM <potential byte order mark - max offset 3>0 HEAD{0-1024}1 GEDC<newline>2 VERS 1 Absolute from BOF 0 3 302048454144{0-1024}47454443(0D0A|0D|0A)322056455253