Some people don’t know the meaning of all existing file extensions we are having even a single JAR was not known by some but this is the solutions, bellow are some file extensions with their meanings.
AVI = Audio Video Interleave.
RTS = Real Time Streaming.
SIS = Symbian OS Installer File.
AMR = Adaptive Multi-Rate Codec.
JAD = Java Application Descriptor.
JAR = Java Archive.
3GPP = 3rd Generation Partnership Project.
MP3 = MPEG layer lll.
MP4 = MPEG-4 video file.
AAC = Advanced Audio Coding.
GIF = Graphic Interchangable Format.
JPEG = Joint Photographic Expert Group.
BMP = Bitmap.
SWF = Shock Wave Flash.
WMV = Windows Media Video.
WMA = Windows Media Audio.
WAV = Waveform Audio.
PNG = Portable Network Graphics.
DOC = Document (Microsoft Corporation).
PDF = Portable Document Format.
IMY = iMelody Ringtone.
M3G = Mobile 3D Graphics.
M4A = MPEG-4 Audio File.
NTH = Nokia Theme(series 40).
THM = Themes (SonyEricsson).
MMF = Synthetic Music Mobile Application File.
NRT = Nokia Ringtone.
XMF = Extensible Music File.
WBMP = Wireless Bitmap Image.
DVX = DivX Video.
HTML = Hyper Text Markup Language.
WML = Wireless Markup Language.
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FLV- flash video
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