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→File Extensions/Specific Formats
{| class="wikitable"
! Format !! Extension !! Compression !! Lossy Lossless !! Platform !! DRM-support
|-
| Wave || .wav || no || no yes|| MS Windows || no
|-
| Audio Interchange File Format || .aiff || no || no yes|| Apple Macintosh || no
|-
| Audio Unit || .au || no || no yes|| Java, Unix (Linux, FreeBSD) || no
|-
| MPEG-2 Audio Layer III || .mp3 || yes || yes no|| any || no
|-
| MPEG-4 Audio Part 14 || .mp4, .m4a, .m4p || yes || yes no|| any (iTunes DRM-free) || yes
|-
| Advanced Audio Coding || .aac, .m4p, .m4a, .3gp, .mp4 || yes || usuallyrarely || any (including many non-PC devices, iTunes DRM) || yes
|-
| Vorbis || .ogg || yes || yes no || any (open standard) || usually not
|-
| Windows Media Audio || .wma, .asf || yes || optional || MS Windows || yes
|-
| Apple Lossless (ALAC) || .m4a || yes || no yes || formerly Apple Mac only, now any || yes
|-
| Free Lossless Audio Codec || .flac || yes || no yes || any || no
|}