.3g2

3GPP2, for CDMA-based phones.

.3gp

3GPP, for GSM-based phones.

.3gpp

3GPP, for GSM-based phones.

.3gp2

3GPP2, for CDMA-based phones.

.amv

Anime Music Video, A modified version of AVI, produced for mp4 players and S1 MP3 players with video playback.

.asf

Advanced Streaming Format or Active Streaming Format, it is Microsoft's proprietary digital audio/digital video container format.

.avi

Audio Video Interleave, known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology.

.avs

AviSynth Script, the script language deals primarily with videos as a primitive data type.

.dat

Digital Audio Tape, a signal recording and playback medium developed by Sony in the mid 1980s.

.divx

Digital Video Express, a brand name of products created by DivXNetworks, Inc.

.dv

Digital Video, a digital video format created by Sony, JVC, Panasonic and other video camera producers and launched in 1995.

.dvr-ms

Microsoft Digital Video Recording, Microsoft Windows XP Media Center Edition and the Windows Vista version of Windows Media Center create files in this format. Also .ms-dvr.

.f4v

Flash Video, The F4V format is based on the format specified by ISO/IEC 14496-12: ISO base media file format.

.flv

Flash Video, An FLV file encodes synchronized audio and video streams. The audio and video data within FLV files are encoded in the same way as audio and video within SWF files.

.m1v

MPEG-1 Video elemantary stream, no audio.

.m2p

MPEG-2 Video

.m2t

MPEG transport stream. High-definition video on a DV cassette tape, originally developed by JVC and supported by Sony, Canon and Sharp.

.m2ts

High definition video file type, AVCHD video file type. M2ts files are raw AVCHD videos recorded using Sony, Panasonic, Canon and other brands of AVCHD camcorders.

.m2v

MPEG-2 Packetized Elementary Stream, normally destined to be multiplexed before use, mostly no audio.

.m4v

Raw MPEG-4 Visual bitstreams, commonly used in Apple's iPod, iPhone, iTunes store and Xbox 360.

.mkv

Matroska video file with subtitles and audio.

.mod

Tapeless video formats (Standard Definition) used by JVC, Panasonic and Canon in some models of digital camcorders.

.mov

QuickTime multimedia file format.

.mp4

MPEG-4 files with audio and video.

.mpe

Video encoded in MPEG format, a commonly compression applied to digital video files.

.mpeg

MPEG-1 or MPEG-2 Video

.mpeg1

MPEG-1 Video

.mpeg2

MPEG-2 Video

.mpeg4

MPEG-4 Video

.mpg

MPEG-1 or MPEG-2 Video, in NTSC or PAL format for different TV systems.

.mpv

MPEG-1 or MPEG-2 video elemantary stream, most mpv files have no audio.

.mts

Please refer to .m2ts.

.mxf

MXF is a file format for the exchange of programme material between servers, tape streamers and to digital archives.

.nsv

Nullsoft stream video files.

.ogg

Ogg Media file. Ogg could be video files or audio files since it's a container.

.ogm

Ogg Media file. It can do a few things the common AVI format cannot. No longer supported or developed and is formally discouraged by Xiph.org.

.ogv

Ggg media file. Formally specified and officially supported by Xiph.org.

.qt

QuickTime multimedia file format.

.rm

RealMedia, a multimedia container format created by RealNetworks.

.rmvb

RealMedia Variable Bitrate, a variable bitrate extension of the RealMedia multimedia container format developed by RealNetworks.

.rv

RealMedia videos.

.tod

Tapeless video formats (High Definition) used by JVC, Panasonic and Canon in some models of digital camcorders.

.trp

MPEG Transport Stream, similar to .ts.

.tp

MPEG Transport Stream, similar to .ts.

.ts

MPEG Transport Stream, a communications protocol for audio, video, and data, a type of digital container format, widely used in HDTV.

.vob

Video Object, a container format contained in DVD-Video media.

.vro

DVD-VR recorded movie.

.wmv

Windows Media Video, a compressed video file format for several proprietary codecs developed by Microsoft.

.webm

WebM is an audio-video format designed to provide a royalty-free, open video compression format for use with HTML5 video. The project's development is sponsored by Google.