.RM File Extension

RealMedia File

An RM file stores audio, video, or both, in the RealMedia format developed by RealNetworks. It is commonly used for streaming content over the Internet like video and Internet radio. To access RM fi...

General Information

Title RM File Extension
Extension .rm
Full Form RealMedia File
File Type Digital Media File
Developer RealNetworks
MIME Type application/vnd.rn-realmedia

File Function

Primary Function Store multimedia
Additional Functions Streaming online
Features Variable bitrate, Adaptive streaming

File Characteristics

Quality Depends on encoding
Supports Layers No
Supports Transparency No
Editable With software

Use Cases

Online Video Yes
Audio Streaming Yes
Media Playback Yes

Security and Practices

Security Risks Vulnerabilities, Codecs exploit
Best Practices Updated player, Trusted sources

Historical/Version Information

Initial Release 1997
Legacy Format Superseded by RMVB, RA

Associated Types

Similar Extensions .rmvb, .ra, .rv

Software Compatibility

Software Usage Policy OS Compatibility
RealPlayer Free, Premium Windows, Mac
VLC Media Player Free Windows, Mac, Linux, Unix
Media Player Classic Free Windows