The PTX file extension is used by uncompressed RAW image file captured with a Pentax camera. PTX file save image data. PTX files can be viewed by Pentax software included with the camera.
The PTX file extension is associated with E-Transcript Manager, a program used for creating certified electronic transcripts. PTX file contains transcript data recorded from a courtroom hearing.
The PTX file extension is used by session file format which created by Pro Tools 10 digital audio workstation (DAW) software. PTX file contains references to audio files but not the audio files themselves.
The PTX file extension is used as texture preset file used by Paint Shop Pro, an image editing program. PTX file contains image texture information. And PTX file is often saved along with BMP file.