What is a cpgz file and how do I open a cpgz file?
CPGZ is a compressed archive that combines the Copy In, Copy Out archive format and gzip compression. It is similar to a TGZ file, which incorporates both an uncompressed TAR container and gzip compression; most often used on Unix-based systems such as Linux and Mac OS X.
Relevant cpgz file links:How to open cpgz file on Youtube
How to open cpgz file on Wikipedia
How to open cpgz file on Microsoft.com