: It may be part of a URL for a video that has been deleted or archived.
If you are trying to track down where that video came from, you can try these steps: 0grkqo7hdwwm9ad5dnktf_source.mp4
: Right-click the file (if you have it) and check "Properties" or "Get Info" to see if there is a source URL or author. : It may be part of a URL
: This is often how files appear when they fail to load a preview. 0grkqo7hdwwm9ad5dnktf_source.mp4
: Take a screenshot of a frame from the video and upload it to Google Lens.
Because these names are randomly generated strings, there isn't a "general" public post associated with that specific text unless you provide more context. Where did you see this file?