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.QT File Extension

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File TypeApple QuickTime Movie

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CategoryVideo Files


This file is saved in a binary format, which requires a specific program to read its contents.


QuickTime multimedia format developed by Apple Computer; cross-platform, meaning it is supported on both Macintosh and Windows systems; may contain a compressed audio and video track.

More Information

QuickTime movie files are more commonly saved with a .MOV extension.

Program(s) that open .QT files
Microsoft Windows LogoWindows
Apple QuickTime Player
Roxio Creator NXT Pro 3
CyberLink PowerDVD 15
Adobe Flash Professional CC
Mac OS X LogoMac
Apple QuickTime Player
Roxio Toast 14
Roxio Popcorn
Adobe Flash Professional CC
Eltima Elmedia Player
Updated 7/21/2010