G078.mp4 -

Once you know what’s in the video, rename it immediately to prevent it from getting lost in a sea of generic names. A helpful format is:

Sometimes dragging an MP4 into a Chrome or Safari window will trigger a built-in player that works better than system defaults. 3. Fixing a Corrupt "g078.mp4" g078.mp4

If your standard player won't open it, the file might use a specific "codec" (a way of compressing video). Once you know what’s in the video, rename