This will help me give you more specific information.
However, if you are looking for information on how to handle, open, or convert this type of file, What is an MP4 File?
If you have downloaded this file and cannot view it, try these methods:
: You can often drag and drop the file directly into a browser window (Chrome, Safari, or Edge) to play it. Converting or Editing the File If you need to change the format or edit the clip:
: If the file is too large for email, you can use an online compressor to reduce its size.
: If the file won't open, VLC Media Player is a highly recommended free tool that can play almost any video codec.