.PIO

.PIO file extension

This is the basic program to work with .PIO extension

Digidesign Pro Tools LE

Digidesign Pro Tools LE Pro Tools I/O Settings File

It allows you to power your sound with the tools that power the industry. You can create music or sound for film/TV and connect with a premier network of artists, producers, and mixers around the world. Also, these tools run in standalong more and use external analog/digital converters or internal PCI/PCIe audio cards... (more)

The program works with the following extensions: pt4, pt5, ptf, wfm, p24, ptt, pts, aaf, omf, pim, pio, rgrp and omfi

.PIO extension is also supported by the following programs:

Digidesign Pro Tools M-Powered

Digidesign Pro Tools M-Powered Pro Tools I/O Settings File

Pro Tools is the most advanced music and audio production platform.
Digidesign Pro Tools® LE

Digidesign Pro Tools® LE Pro Tools I/O Settings File

PiobMaster

PiobMaster PiobMaster Document

Pronounced "PEEBMASTER", Piob in Gaelic is "bagpipe", is a WYSIWYG application.
Pro Tools®

Pro Tools® Pro Tools I/O Settings File

Pro Tools - compose, record, edit, and mix music for picture the way you want.