Files with long, alphanumeric strings as names are often temporary or "raw" source files.
: On Windows, right-click the file and select Properties > Details to see the original "Date Created" or "Contributing Artists," which can help identify where you downloaded it from. 5e8a540fabf48be603351_source.mp4
: Once you verify the content, you can rename it to something descriptive. If you need it in a different format for editing, you can use VLC Media Player to convert it to other formats like AVI or MOV. Files with long, alphanumeric strings as names are