Acronym for Audio Interchange File Format; Macintosh audio file format. lt was created by Apple and is based on IFF (Interchange File Format). The AIFF file type is commonly used for storing audio on Mac systems.

AIFF format contains uncompressed audio encoded with pulse code modulation. AIFF files are made up of parts that describe audio properties and other related data. AIFF property definition requires Common Phrase and Voice Data Phrase; other phrases are optional.

You can play AIFF files with iTunes, QuickTime Player, Media Player Classic and VLC.