G_022.mp4

: Use a tool like MediaInfo to see the "Writing Library." This can tell you the specific brand of camera that created the file.

: Many budget security systems use a single letter followed by a three-digit sequence (001, 022, etc.). g_022.mp4

: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the "Date Created." This often reveals the exact time the video was filmed. : Use a tool like MediaInfo to see the "Writing Library

: If this file was found on a microSD card from a home camera, it likely represents the 22nd recorded segment of a specific event or day. g_022.mp4