1_4913945879481680559.mov -

: You can open .MOV files using VLC Media Player or Apple QuickTime . 2. Rename for Organization

Since the filename is generic, you'll need to determine what is actually in the video. 1_4913945879481680559.MOV

Change the numeric string to something descriptive to make it searchable in the future. : You can open

: Use the Get Info (Mac) or Properties (Windows) option to see the "Date Created." This can help you pin down which event or day the video is from. 1_4913945879481680559.MOV

: If you downloaded this from a chat, scroll back to the date you received it to see the conversation context.