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