.RMX File Extension
File Type 1RealJukebox Format
What is an RMX file?
Copy-protected audio file used by RealPlayer, a music playback and streaming program; securely stores the audio data so that it may not be played unless the security key is found; can be linked to a particular computer or key.
RMX files are used by RealPlayer 10 or later.
File Type 2Reference Manager Index File
.RMX File Association 2
File used by Reference Manager, a program used for creating biographies; contains an index of the data stored in the biography and requires a separate .RMD file, which contains the data for the references; allows information to be searched.