1.
AA - Audible Audio Book File
2.
AAC - Advanced Audio Coding File
3.
AAX - Audible Enhanced Audiobook File
4.
AIF - Audio Interchange File Format sound file
5.
AIFC - Compressed Audio Interchange File
6.
AIFF - Audio Interchange File Format
7.
ALAC - Apple Lossless Audio Codec audio file
8.
BUNDLE - Mac OS X Application plug-in
11.
CDDA - CD Digital Audio File
12.
CDR - Raw Audio CD Data
13.
CIDB - Apple iTunes CD information file
14.
DTS - DTS Encoded Audio File
15.
H264 - H.264 Encoded Video File
16.
HKDB - Apple iTunes Library File
17.
HVPL - iTunes Visual Plug-in File
18.
IMG3 - iPhone IMG3 File
19.
IPCC - iPhone Carrier Bundle
21.
IPSW - iPod and iPhone Software Update File
22.
ITC - iTunes Cover Flow Data File
23.
ITC2 - iTunes Cover Flow Data File 2
24.
ITDB - iTunes Database File
25.
ITE - iTunes Extras File
26.
ITHMB - iPod and iPhone Photo Thumbnails File
27.
ITL - iTunes Library File
28.
ITLP - iTunes LP Album File
29.
ITLS - iTunes Live Stream URL
30.
ITMS - iTunes Music Store Link File
31.
ITMSP - iTunes Store Package
32.
ITPC - iTunes Podcast Link File
33.
L - Left Audio Channel File
36.
M3U - Media Playlist File
37.
M3U8 - UTF-8 M3U Playlist File
38.
M4A - MPEG-4 Audio File
39.
M4B - MPEG-4 Audio Book File
40.
M4P - iTunes Music Store Audio File
41.
M4R - iPhone Ringtone File
42.
M4V - iTunes Video File
45.
MDDATA - iPhone Backup File
46.
MDINFO - iPhone Backup Information File
47.
MP1 - MPEG-1 Layer 1 Audio File
48.
MP2 - MPEG Layer II Compressed Audio File
50.
MP4 - MPEG-4 Video File
51.
MP4INFOVID - Parrot AR Drone and Gyro Flyer Video
52.
MPA - MPEG-2 Audio File
54.
MPEG1 - MPEG-1 Video File
55.
MPG - MPEG Video File
56.
MPGA - MPEG-1 Layer 3 Audio File
57.
MPU - MPEG Layer 3 Audio File
58.
NVF - Creative Labs NVF Audio File
59.
PCAST - iTunes Podcast File
61.
R - Right Audio Channel File
62.
RBS - MP3 Ringtone File
63.
RMP - RealPlayer Metadata Package File
64.
SHSH - iPhone/iPod Touch SHSH Blob File
65.
SIDB - iTunes Authorization Data File
66.
SIDD - iTunes Authorization Data File
67.
WAV - WAVE Audio File
68.
WAVE - WAVE Sound File