.GNO File Extension
File TypeGenoPro Genealogy Tree File
What is a GNO file?
Project file created by GenoPro, a free program used to create genealogies; contains genealogy project data, including family trees, pedigrees, pictures, dates, and other genealogy information; used to record family history, analyze ancestries, and print family tree reports.
NOTE: GNO files can support up to one million individuals. They also support Unicode text.