Audio file created by RealPlayer; may contain audio data or may reference a streaming audio file online; uses a proprietary Real compression algorithm; common format for playing audio clips within a Web browser.
Program(s) that open ra files
Mac / Windows / Unix: RealNetworks RealPlayer; Web browser with the RealPlayer plugin
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/ra
