If you are still stuck, download the free utility MediaInfo . By opening your file in "Text View," you can see exactly what bitrate, bit depth, and codec version your Lumix used [7, 10]. This information is vital if you need to ask for help on community forums like the Adobe Support Community .
If your camera is set to 10-bit 4:2:2 color or high-frame-rate 4K, many basic media players and older versions of Premiere Elements or Lightroom will fail to generate a thumbnail or play the file [9, 11]. g60407.mp4
Mastering Your Lumix Footage: Solving "g60407.mp4" Import and Playback Errors If you are still stuck, download the free utility MediaInfo
Most modern Lumix cameras record in or H.265 (HEVC) . While MP4 is a universal container , the data inside can be highly compressed. If your camera is set to 10-bit 4:2:2