.SDO file extension

This is the basic program to work with .SDO extension

Opal Player

Opal Player

Opal Player is a free software application that allows you to display video files. This player supports many file formats, it is easy to install and to use, it has a friendly user interface and much more. You can play your favorite videos with this simple player... (more)

The program works with the following extensions: prp, sdo