PTX (Pro Tools) 10+
Readableaudio
File created every time a user sets up a session in Pro Tools, music creation software made by Avid, which allows the user to create, record and mix music. Every time a session is started, a ptx file is created, containing all plug ins, audio and midi tracks and mixer settings. They do not contain actual audio, but have audio files linked to them.
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| Extensions | .ptx |
|---|---|
| Signatures | 0330303130313131313030313031303131 at byte 0 (Pro Tools Session File 10+) |
| PRONOM | fmt/1727 |
| Wikidata | Q247670Q113534356 |
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From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.