.MPEG4 File Extension
What is an MPEG4 file?
An MPEG4 file is a video file saved in the MPEG-4 container format. It includes both audio and video data and supports multiple A/V codecs. MPEG4 files are commonly used for distributing video content over the web and for streaming videos on the Internet.
MPEG4 files typically have an .MP4 file extension.