Since this specific file isn't a widely known public "topic," 1. Identifying the Source
If you have downloaded this file and are having trouble playing it, you can use these universal tools:
Use a tool like VirusTotal to upload the file (or its URL) and check for malicious code.
It is an international standard supported by virtually all modern smartphones, TVs, and browsers.
The file appears to be a specific, uniquely named raw video file, likely generated by a content management system or a CDN (Content Delivery Network). Because the alphanumeric string is so specific, it usually refers to a temporary or uniquely indexed asset on a platform like Reddit, Discord, or a cloud storage service.