.QT

.QT file extension

This is the basic program to work with .QT extension

QuickTime

QuickTimeQuickTime Movie

QuickTime is a media player that supports most common audio and video formats. It also comes with a basic image viewer that supports most popular image formats. It offers a simple GUI with basic buttons to play, seek, and adjust volume. It is a bit slow to open, but other than that it performs well during audio and video playback. It works great with HD and Full-HD videos... (more)

The program works with the following extensions: mp4, jpg, swf, png, avi, psd, mkv, bmp, mp3, gif, jpeg, mov, dv, au, qt, cel, mpe, jpe, smf, dif, rgb, smi, sgi, mpg, mpm, flc, rmi, mpv, pct, sml, aif, fli, m2a, snd, mqv, pic, swa, gsm, mmv, pls, ulw, kar, pnt, wav, qcp, vfw, m15, qti, 3g2, qht, m1v, m1a, 3gp, tif, m4e, tga, m2v, m1s, m3u, qtl, mps, mid, m4a, qup, aac, rts, amc, xpl, m4b, qif, ac3, amr, mac, mp2, m4p, sd2, bwf, jp2, m4v, dib, sdp, caf, mpa, m75, sdv, qtif, mpeg, smil, mpg4, aifc, aiff, pict, qhtm, moov, 3gp2, tiff, mpga, 3gpp, adts, midi, rtsp, cdda, pntg, targa, m3url and movie

.QT extension is also supported by the following programs:

RealPlayer

RealPlayerQuickTime Movie

RealPlayer is one of the most popular video player.
Windows Media Player

Windows Media PlayerQuicktime File

A powerful and convenient media manager from Microsoft.
MpcStar

MpcStarQT video file

MpcStar is a program that can play audio or video files.
AVS DVD Player

AVS DVD PlayerAVS DVD Player Files

AVS DVD Player plays movie DVDs, video and audio files right on your computer.
QvodPlayer

QvodPlayerMySQL Tools for

QVOD player (Nora) is a powerful universal player.
Total Video Player by EffectMatrix Inc.

Total Video Player by EffectMatrix Inc.MySQL Tools for

Total Video Player is a media player supporting a vast number of file formats.
ALLPlayer

ALLPlayerMySQL Tools for

Video player with automatic downloading of subtitles and playback of torrents.
AVS Media Player

AVS Media PlayerAVS Media Player Files

A player for various types of media with a wide range of supported formats.
Haihaisoft Universal Player

Haihaisoft Universal PlayerMySQL Tools for

This program allows you to play your favorite multimedia files.
Kantaris

KantarisKantaris Video File

Kantaris is a multimedia file player that supports a large variety of formats.
jetAudio

jetAudioMySQL Tools for

JetAudio Basic is a video and music player but it also can burn CD's,record,etc.
DVD X Player Professional

DVD X Player ProfessionalDVD X Player QuickTime File

DVD X Player is a program you can use for video playback.
Varo Vision VaroDVD

Varo Vision VaroDVDVaroDVD File

DVD X Player

DVD X PlayerDVD X Player QuickTime File

DVD X Player is an advanced DVD video tool with a build-in converter.