Filemagic is built on a powerful engine that optimizes the handling of large files, particularly useful when working with MP4 videos, which can be massive and require considerable 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/