Genealogy file formats

We explain the file types you're most likely to come across while researching ANC AHN Native formats of Our Family Tree. You can convert them into GEDCOM files, too. BAK A native format of Personal Ancestral File. You can also convert these into GEDCOM files. DAT Another native format of Personal Ancestral File. Again, convertible to GEDCOM. DjVu Pronounced d j vu, this is a compressed graphics format commonly used to display scanned pages on the web. The pages appear in much the same way that...