Filemagic is built on a advanced core that optimizes the handling of large files, particularly helpful when working with MP4 videos, which can be large and require considerable system resources. This enhancement means users won't face slowdowns, 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/