.RMF File Extension

Map file created by Valve Hammer Editor, a mapping tool included with the Valve Source SDK; contains Hammer data such as arbitrary brush shapes and VisGroups (Visibility Groups help you manage objects by giving you control of what you see on the screen); can be compiled into .MAP and .BSP files.

To create a RMF file, simply select File → Save select the RMF format, and name your file. You can choose the save location of your RMF file but the default save location of RMF files created by Hammer Editor is in the "Maps" folder inside the "Valve Hammer Editor" folder.

Audio file created in the Rich Music Format, an audio format created by Beatnik; used as a container format for MIDI files and other standard audio formats; can be encrypted to protect original music; used by some older video games.

The Beatnik Editor, the original RMF editor released by Beatnik, is no longer available. However, the RMF format is still supported by Java Sound and the Java Media Framework.

License key file used by Adobe products such as Acrobat and Reader; saves a license file for a locked .PDF document and uses the same filename prefix as the PDF; allows the PDF to be read by the purchaser of the document.

RMF files are sometimes distributed with purchases of eBooks and digital magazines purchased from onlines stores. You'll need the RMF file to open the corresponding PDF document.