You might have been given MXF files that were shot on a professional camcorder from Canon, Sony or Panasonic, and want to convert the MXF to MP4 on your PC or Mac platform, a more manageable file format that used widely in a variety of devices. It holds video, audio, and programme data as well as metadata together.
MXF (Material eXchange Format) is a 'container' or 'wrapper' format that's developed to become the cross-platform standard for future professional video and audio applications. How to convert MXF to MP4 video file on Mac & PC
