Format (album)

Format is a double-disc compilation album by English synth-pop duo Pet Shop Boys. The album consists of B-sides from various singles released from 1996 to 2009 (Bilingual to Yes, or "Before" to "Did You See Me Coming?"). It is their second B-sides album after Alternative (1995), which collected B-sides from the time of their first version of "Opportunities (Let's Make Lots of Money)" (1985) to "Yesterday, When I Was Mad" (1994).

The album's release was initially announced in November 2011, then officially on 19 December 2011 through the Pet Shop Boys' official website, offering it for pre-order. The album was released on 6 February 2012 in the UK, but was released earlier in various territories worldwide, including Australia, where it was released on 3 February. The album debuted at number 26 on the UK Albums Chart, selling 5,909 copies in its first week.