If you have verified the file is safe, use a universal media player that can handle various codecs:
If the file won't play, you can try dropping it into Handbrake to see if the software can "read" the metadata and convert it into a standard format. 4. Extracting Metadata k20h56k5hgk5gf .mp4
If you found this in your computer's temporary files, it is likely a video advertisement or a "snippet" from a social media site you recently visited. If you have verified the file is safe,
If you need to know where the video came from or when it was created: If you need to know where the video
Use a tool like MediaInfo to see the technical data, such as the encoding software used, which might give a hint about its origin (e.g., "Shot on iPhone" or "Encoded by FFmpeg").