If you are trying to view or "feature" this file, here is how you can handle it: Viewing the Video
: If your default app won't open it, try VLC Media Player , which supports almost all MP4 formats and codecs.
Could you describe (e.g., people, locations, or events)? This would help me determine if it’s a known viral clip or public event. Why is my mp4 video file unsupported? - Facebook
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If you are trying to view or "feature" this file, here is how you can handle it: Viewing the Video
: If your default app won't open it, try VLC Media Player , which supports almost all MP4 formats and codecs.
Could you describe (e.g., people, locations, or events)? This would help me determine if it’s a known viral clip or public event. Why is my mp4 video file unsupported? - Facebook