Filemagic is built on a advanced core that optimizes the handling of large files, particularly helpful when working with MP4 videos, which can be massive and require considerable system resources. This optimization 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/