FileFormats

Audacity supports many audio formats including:


 * WAV (Windows Wave format)
 * AIFF (Audio Interchange File Format)
 * Sun Au / NeXT
 * RCAM (Institut de Recherce et Coordination Acoustique / Musique)
 * MP3 (MPEG I, layer 3) (export requires separate encoder. see Lame Installation FAQ in the Audacity Manual )
 * Ogg Vorbis

plus its own Audacity Project format (AUP).

AUP format
The project file is in an XML format.It links to audio data stored in .au files in the project data directory (projname_data). It can also be linked to other uncompressed source files that have been imported into the project. See Managing Audacity Projects for more details.

AIFF format
AIFF is Audio Interchange File Format, a PCM format used on Macintosh and similar computers

Other formats
See also MP3, OGG, WAV