: If you found this after running data recovery software, it represents a recovered preview image rather than the full video file. Is it safe to delete?
: Short for "thumbnails." These are low-resolution preview images created so your device doesn't have to load the entire video file just to show a preview icon. 40489A9A Mp4 Thumbs jpg
: This is typically a hexadecimal hash or a unique identifier. It is often used by software to link a specific video file to its corresponding thumbnail in a cache folder. : If you found this after running data
: The standard image file format for the thumbnail itself. Common Contexts 40489A9A Mp4 Thumbs jpg
