Filemagic is built on a powerful engine that streamlines the handling of large files, particularly advantageous when working with MP4 videos, which can be large and require significant system resources. This enhancement means users will not encounter lags, 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/