What is a qtz file and how do I open a qtz file?
A QTZ is an animation file created with Quartz Composer, a development tool created by Apple for processing and rendering graphical data. It may include 2D images, 3D objects, textures, audio, MIDI data, and 2D and 3D effects. QTZ files are used for some Mac OS X screensavers.
Relevant qtz file links:How to open qtz file on Youtube
How to open qtz file on Wikipedia
How to open qtz file on Microsoft.com