File Extension RM

File type: RealMedia Streaming Media File

About the RM file type:

If Windows cannot find the appropriate program associated with .RM files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).

The .RM file extension identifies a RealMedia Streaming Media file which may contain audio and video data Encoded using this Real Networks format, for viewing in the RealPlayer software of the same author, or with a Web browser with the appropriate plugin.