What is a ptx file and how do I open a ptx file?
A PTX file extension uses a session file format introduced with Pro Tools 10 digital audio workstation software. It supports audio, MIDI and software instrument tracks, as well as effects, mixing settings, and other edits. The PTX file stores references to audio files but not the audio files themselves.
Relevant ptx file links:How to open ptx file on Youtube
How to open ptx file on Wikipedia
How to open ptx file on Microsoft.com