Open RAX File
The RAX file extension is a type of audio file purchased from the music store associated with Real Player, an audio and video streaming and playback program.
About RealPlayer
RealPlayer, is a cross-platform media player application developed by RealNetworks and previously known as RealAudio Player, RealOne Player, and RealPlayer G2.
The RAX file is basically a proprietary format with DRM protection, and can be converted to more popular file formats, such as MP3, using online converters.
As a proprietary file, the RAX format should not be attempted to be opened with software other than RealPlayer, as it may become corrupted.