G7103.mp4

You can upload the file to services like CheckFileType.com or File Type Detection to verify if the .mp4 extension is correct or if the internal "magic bytes" suggest a different format.

If you can take a screenshot of a unique frame from the video, you can perform a reverse image search to find the original source. g7103.mp4

Could you provide more on where you found the file or describe a screenshot from the video? Types of Video File Formats - Mailchimp You can upload the file to services like CheckFileType

Many cameras generate sequential alphanumeric filenames (e.g., "G" followed by four digits). "G7103" could simply be the 7,103rd file recorded by a specific device. Types of Video File Formats - Mailchimp Many

On Windows, right-click the file, select Properties , and go to the Details tab to see if there is a title, contributing artists, or a specific "Date taken".