: Most modern devices open MP4 files automatically using default players like Windows Media Player or QuickTime .
If you are trying to edit this file in professional software like and it isn't working: Premiere Pro: "Can't Import MP4 file" (4 Solutions) VID-20220415-WA0077mp4
: What was happening on April 15, 2022? (e.g., a family event, holiday, or work meeting). : Most modern devices open MP4 files automatically