The filename appears to be a system-generated or hashed name typically used by cloud storage platforms (like Google Drive or MEGA) and social media CDNs (Content Delivery Networks). Because these names are randomized, there isn't a single "official" guide for this specific file.
To help you get the right guide, could you tell me a bit more about where you found this file? Specifically: 0h5ccx8creq0hewtkz0xv_source (1).mp4
(e.g., Is it a gameplay tutorial, a software installation guide, or a movie clip?) The filename appears to be a system-generated or