.RT file extension
This is the list of programs to work with .RT extension
Record DVD movies for your Apple iPod/iPhone and PSP.
It allows you to create, edit and convert text-based subtitle files.
Media Player Classic - Home Cinema is a free audio and video player for Windows.
Zoom Player is a customizable Media Player for your computer.
DVD, Video CD, Audio-CD and media file player.
BlazeDVD Real Media File
It is a powerful DVD, Video CD, Audio-CD and media file player.
Try it and you will forget all the problems with audio and video files playing!