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.QTCH File Extension

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File TypeQuickTime Cache File

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Rare Uncommon Average Common Very Common
CategoryVideo Files


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


(Cache|cache file created by QuickTime, a media player for Mac and Windows; saves the cache of an audio or video file downloaded or streamed from the Internet; can be opened in QuickTime Player by changing the file extension to match the original file (e.g., .MP3, .MPEG, .MOV), but only if the file was created by QuickTime 6.5 or earlier.

More Information

Beginning with QuickTime 7, the software scrambles the header data of QTCH files so they can't be played by simply changing the file extension.

Program(s) that open .QTCH files
Microsoft Windows LogoWindows
Apple QuickTime Player
Mac OS X LogoMac
Apple QuickTime Player
Updated 9/16/2011