What is a qtch file and how do I open a qtch file?
QTCH, or QuickTime Cache is a cache file created by QuickTime, a media player for Mac and Windows. It 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, but only if the file was created by QuickTime 6.5 or earlier.
Relevant qtch file links:How to open qtch file on Youtube
How to open qtch file on Wikipedia
How to open qtch file on Microsoft.com