Filemagic is built on a advanced core that enhances the handling of large files, particularly useful when working with MP4 videos, which can be large and require ample system resources. This optimization means users will avoid performance issues, even with extensive video libraries. https://www.filemagic.com/en/video-files/mp4-file-extension/how-to-open-a-file-with-the-mp4-file-extension/