A .rv file is a digital video file in the proprietary RealVideo video compression format. RV files are usually stored with .rm or .ram extensions when hosted on the Internet. The RealVideo format is well suited for streaming. RealVideo (.rv) files are commonly supported across platforms like Windows, Mac, Linux. Usually, RealVideo is paired with RealAudio (RA) in the RealMedia (RM) container. An .rv file cannot be opened if your software is outdated. Update to the latest version of software supporting RealVideo as older versions may not support the .rv format. Search the manufacturer’s website for available updates. Associate the .rv extension with the application that should open it. The Elmedia player or RealPlayer can typically open .rv files since they have the required Real codecs installed. The Windows Media Player may also be compatible. .rv files contain video unlike .rm files which only have audio.
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RealPlayer
VLC Media Player