.PBN File Extension
File TypePortable Bridge Notation File
What is a PBN file?
Game file created in the Portable Bridge Notation (PBN) format, a standard format used for storing data for the card game Bridge; can save the results of a game as well as specify rules for dealing, bidding, playing, and teaching; allows data from one bridge game to be used in another game.
The PBN format is based on the Portable Game Notation (PGN) format, which is used for chess games.