If you are having trouble viewing the file, tools like VLC Media Player or Windows Media Player are standard for opening MP4 containers.
Do you remember you originally downloaded this file from? How to play MP4 files in Windows - Microsoft Support 0h147u4bt2fstxh24b4p0_source-erlURZ9j.mp4
The "long story" behind such a file name usually involves the following lifecycle: If you are having trouble viewing the file,
The filename is a machine-generated string typically created by content delivery networks (CDNs) or automated video processing systems like those used by Reddit, Discord, or Twitter (X) . When a user uploads a video to a
When a user uploads a video to a social platform, the site's backend assigns a unique alphanumeric ID (like 0h147u... ) to track the raw file in their database.
The system creates different versions of the video for various internet speeds. The "source" tag in your filename suggests this is the original high-quality version before it was compressed for mobile viewing.