CueServer 2 supports the playback of the following common popular audio file formats:

File Extension Description
.aif .aifc .aiff .aiffc Audio Interchange File Format (Apple)
.au .snd Unix Audio File (Sun, NeXT, UNIX)
.flac Free Lossless Audio (Open-Source)
.mp2 .mp3 MPEG Audio File (MP3)
.ogg .vorbis Ogg Vorbis Audio File (Open-Source)
.wav Waveform Audio File (See WAV Sample Formats)

CueServer 2 also contains partial support for the following formats (use cautiously as these have not been tested):

8svx amb amr-nb amr-wb anb avr awb cdda cdr cvs cvsd cvu dat dvms gsm gsrt hcom htk ima ircam lpc lpc10 maud nist prc sds sln smp sndfile sndr sndt sou sox sph txw vms voc vox wavpcm wv wve xa

CueServer 2 DOES NOT support the following audio file formats:

File Extension Description
.m4a .m4p iTunes Advanced Audio Coding (AAC)