While .mp4 files are generally safe media containers and not executable programs, they can occasionally pose security risks.
The filename follows a standard convention typically used by WhatsApp to organize media files on Android devices. : Indicates the file is a video. Download VID 20220928 WA0040 mp4
If the video was sent by you, it will be in the Sent subfolder. Files in the root WhatsApp Video folder are those you have received from others. Download VID 20220928 WA0040 mp4