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 ample system resources. This tuning 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/