Quicktime 7 除播放MPEG-4 和MP3 以外内容，还支持 timecode 轨道和MIDI 标准,，譬如Roland 和GS 格式。它并且支持关键标准为网流出，包括HTTP, RTP 和RTSP。
Quicktime 7 它支持的图像格式包括JPEG, BMP, PICT, PNG 以及 GIF。
Quicktime 7 特色:超高效率新H.264 录影，codec 的震惊质量，卓越的低数据速率从3G 到iChat 到HD。
- Create H.264 video. Create incredible-looking video for any use, from 3G for mobile devices to HD.
- Create surround audio. Create a rich multimedia experience by adding multichannel audio to your movie.
- Floating controls. Easily access functions like pause, play, fast-forward, and rewind while watching full-screen movies.
- Background exporting. Export your movie in the background and continue with your next playback or editing task.
- Improved movie authoring. The all-new Movie Properties facilitates simple and efficient movie authoring.
- Automate with VB Script. Automate your QuickTime workflow with native VB Script support in QuickTime 7. Developers can also use VB Script to access the new QuickTime Active X control for creating custom multimedia applications.