FILE FORMAT GUIDE
What is a MP4 file?
A widely supported video container commonly using H.264 video and AAC audio. Use this guide to decide whether to keep MP4 or convert it for a different workflow.
PRACTICAL OVERVIEW
Where MP4 works well
MP4 is a strong choice for web, phone, television, and social-media playback.
The right output depends on what must remain editable, how the file will be shared, and which application or device needs to open it.
FORMAT QUESTIONS
About MP4 files
What is MP4 best used for?
MP4 works especially well for web, phone, television, and social-media playback.
What can change during conversion?
Re-encoding can take time and may reduce quality. Features that do not exist in the chosen output format cannot be carried across exactly.
Should I keep the original MP4 file?
Yes. Keep the original until you have opened the result and checked its layout, quality, data, media tracks, or other important details.