220g_001.mp4 -

: If you need to know the resolution or frame rate, you can right-click the file and select "Properties" (Windows) or "Get Info" (macOS) to view detailed video dimensions .

: Compact recording devices often use "G" prefixes to denote "Group" or "Gallery" folders. 220g_001.mp4

: This is often a prefix used by certain camera manufacturers (like Sony or Panasonic) or software to denote a specific "Folder" or "Roll" number (e.g., the 220th folder generated on the SD card). : If you need to know the resolution