What is MP4 file? How to open MP4 file?
the file has a .mp4 extension which is an mpeg-4 video file format. mp4 is one of the popular video file formats, used to download and stream videos from the internet.What is AVI file? How to open AVI file?
the file has an extension of .avi (audio video interleave) which is a commonly used video format, containing both audio and video.