RealMedia Secure Media Clip
RealNetworks
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Files with the RMX extension are associated with the RealPlayer media player and the RealJukebox media asset management tool. RMX is an audio file that is protected against unauthorized use. This security is based on pairing the file with a specific device (only on that device can play the song) or a digital key owned by the user.

RMX is the format that has been used in RealPlayer since version 10. RealJukebox is now an integral part of RealPlayer.

Windows
Mac OS
Linux

Updated 06/09/2022

.a2b Adlib Tracker II Instrument Bank
.a2i Adlib Tracker Instrument Format
.a2m AdLib Tracker 2 Format
.a2p Adlib Tracker Pattern Format
.a2t Adlib Tracker Tiny Module Format
.aa Audible Audio Format
.aa3 Sony ATRAC Audio Format
.aac Advanced Audio Coding Format

Last updated

.mmf 04/13/2023
.mup 04/13/2023
.itl 04/13/2023
.scs 04/10/2023
.crypt 04/10/2023
.pnp 04/10/2023
.tap 04/10/2023
.btr 04/03/2023