Files with these long, hexadecimal names are rarely named by humans. They are usually generated by:

To make the file useful for libraries like Plex, you should change the GUID to a descriptive name. : Right-click the file and select Rename .

Movies show up with original file name instead of real title : r/PleX

: Video editors or download managers may use GUIDs as temporary placeholders before a final export. 2. Opening and Viewing the File

: Open your File Manager , find the video, select More Options , and choose Rename .

The alphanumeric string is a Globally Unique Identifier (GUID) or Universally Unique Identifier (UUID) . When paired with an .mp4 extension, it typically represents a raw video file generated by a system that uses non-human-readable naming conventions to ensure every file remains unique.

: Use the VLC Media Player for guaranteed playback regardless of the specific internal codecs used within the MP4 wrapper. 3. Renaming for Organization

Since the file is an MP4 container , it is highly compatible with most modern hardware and software.