: Right-click the file and select Open with > VLC or Windows Media Player . 2. Troubleshooting Playback Issues If the video is not opening or appears "corrupted": The best way to repair a corrupted mp4 video file?
: If you received this on WhatsApp, it is usually safest to play it directly within the app or your phone’s default gallery. VID-20230201-WA0004.mp4
: Avoid clicking suspicious "codec update" prompts if the video won't play. Instead, use the VLC Media Player (available via VideoLAN), which is widely considered safe and includes its own codecs. : Right-click the file and select Open with