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 significant system resources. This enhancement means users will not encounter lags, 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/