Par may refer to: in computing: Page address register .par and .par2, Parchive file types containing recovery data used to fix other files .par, file type associated with Solid Edge document Par (command), UNIX filtering command Positive acknowledgment with re-transmission, TCP/IP method of reliable data transmission in culture: Par contract, a bridge contract that results from optimal bidding by both sides and which neither side could improve by further bidding Par (golf scoring format),… (More on Par)