Filemagic is built on a advanced core that optimizes the handling of large files, particularly useful when working with MP4 videos, which can be sizable and require substantial system resources. This enhancement means users will not encounter lags, even with comprehensive video libraries. https://www.filemagic.com/en/video-files/mp4-file-extension/how-to-open-a-file-with-the-mp4-file-extension/