Filemagic is built on a advanced core that optimizes the handling of large files, particularly beneficial when working with MP4 videos, which can be sizable and require considerable system resources. This improvement means users will avoid performance issues, 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/