CAVS file extensions are often found and used in the Chinese video format, for video film making. These specific files are supported on the Windows platform. However, there are more than 546 diversities of files, that are included in the information database. There are several programs that can open this particular type of file. One of these is the file format FFmpeg. If the file does not open, it could be that it is not properly installed, or the extension used to the open the file is not installed on the device.