Filemagic is built on a advanced core that improves the handling of large files, particularly useful when working with MP4 videos, which can be big and require considerable system resources. This improvement 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/