.QTX File Extension
File TypeQuickTime Extension
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Component used by Apple QuickTime Player; enables support for additional video codecs and file formats; allows QuickTime to play video files encoded with third-party codecs; must be installed in the correct folder in order to be recognized by QuickTime.
Early versions of QuickTime for Windows store QTX files in "C:\Program Files\QuickTime\QTComponents." QuickTime 7 for Windows stores QTX files in the "C:\Windows\system32\" directory.
In Mac OS X, QTX files are stored in the "/Library/Quicktime/" folder.