The File Extensions Database

.QTZ File Extension

  • Developer by: Apple
  • Category: Video Files

What is an .QTZ file?

.QTZ is Quartz Composer File

Animation created with Quartz Composer, a development tool created by Apple for processing and rendering graphical data; may include 2D images, 3D objects, textures, audio, MIDI data, and 2D and 3D effects.

QTZ files are used for certain Mac OS X screen savers, such as RSS Visualizer.qtz and Spectrum.qtz. These screen savers are saved in the /System/Library/Screen Savers/ directory.

Quartz Composer is installed with Apple's Developer Tools and is saved in the /Developer/Applications/ directory.

Programs that open Quartz Composer File
Apple QuickTime Player

How to solve problems with QTZ files

  • Associate the QTZ file extension with the correct application. On :
    Windows: Right click on any QTZ file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.QTZ files". Mac: Right click (or Ctrl-click) the QTZ file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .QTZ is Quartz Composer File. Because only the current version supports the latest QTZ file format. Search, therefore, e.g. on the Apple manufacturer website after an available .QTZ is Quartz Composer File update.
  • To make sure that your QTZ file is not corrupted or virus-infected, get the file again and scan it with antivirus software.