QT File - opening and understanding

Did your computer fail to open a QT file? We explain what they are used for and recommend software that we know can open or otherwise handle your .QT files.

What is a QT file?

A .QT file is a QuickTime movie file. QT is an acronym for QuickTime. Files that contain the .qt file extension are Apple QuickTime movie files.

The QT file format was developed for the purpose of creating, editing, publishing, and viewing multimedia files for Apple's QuickTime Player, a media player that is used to play movies, video clips, and other multimedia files. QT files can contain movies, videos, animations, graphics, and virtual reality content.

Oftentimes QT files are compressed, making it easier to download and distribute the files via the Internet. Compression also makes it easier to stream the videos online.

The QT file format is nowadays supported by both the Mac and Windows operating systems, and most modern media players are able to display these videos.

How to open QT files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension QT for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different QT openers which you will find listed below.

Suggest another file format using extension QT

While we know of one file format using the .QT file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .QT file.

Various viewers for this file format

These apps are known to open certain types of QT files. Remember, different programs may use QT files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Any Video ConverterAny Video ConverterUser submitted
Final Media PlayerFinal Media PlayerUser submitted
Free File ViewerFree File ViewerUser submitted
QuickTimeQuickTimeUser submitted
RealPlayerRealPlayerUser submitted
DivX PlayerDivX PlayerUser submitted
KMPlayerKMPlayerUser submitted
DivX Plus PlayerDivX Plus PlayerUser submitted
PotPlayerPotPlayerUser submitted
AVS Media PlayerAVS Media PlayerUser submitted
We have not verified any software that we know for certain will work with QT-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with QT-files. If you know one, please use the 'Suggest a program' link below and tell us about it!