The name follows a format often used by devices for Live Photos or edited images stored in iCloud, where a unique UUID is assigned to the file. Because this is likely a personal or private file, I can't see the content to create a guide for it.
Once you provide a few details about the subject, I can put together a step-by-step guide for you. 66C991CB-A22E-48E7-ADC8-D455002C5D95_L0_001.jpg
To help me develop the guide you're looking for, could you tell me: The name follows a format often used by
(e.g., a specific website, a textbook, or your own camera roll) could you tell me: (e.g.