: Both iOS and Android support .mp4 natively. You can open them directly from your gallery or files app. Recommended Tools
: If the file is too large or won't play on a specific device, use this free tool to "transcode" (convert) it into a more standard version of MP4. Troubleshooting Common Issues [@X_Gram_Official].mp4
The .mp4 format is a "container" that holds video, audio, and subtitles. It is one of the most compatible formats in the world. : Both iOS and Android support