Video 2020: (4) Mp4

: This indicates a duplicate naming conflict. It means there are at least four other files in the same folder with the name "Video 2020." The system adds this number to prevent overwriting the existing files.

: A clip from a phone’s camera roll, perhaps of a family event or a daily moment. Video 2020 (4) mp4

: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the "Date Created" and "Dimensions." This can help you remember where it came from. : This indicates a duplicate naming conflict

: This is the default prefix assigned by many cameras, screen recorders, and download managers. and download managers.