Filemagic is built on a powerful engine that improves the handling of large files, particularly useful when working with MP4 videos, which can be big and require considerable system resources. This tuning means users won’t experience delays, even with vast video libraries. https://www.filemagic.com/en/video-files/mp4-file-extension/how-to-open-a-file-with-the-mp4-file-extension/