: The .7z extension indicates a high-compression archive created with 7-Zip .
: Many files with this naming convention are found on emulation or "abandonware" sites. CMX-0.1-pc.7z
: Alternatively, CMX is the name of Beamex CMX Calibration Management Software, though it is less common to find professional industrial versions in a .7z "pc" format on public forums. Safety Warning an indie game demo
(e.g., an indie game demo, a retro emulator, or industrial software). a retro emulator
If you downloaded this from a non-official source or a software-sharing forum: