Filemagic is built on a strong foundation that optimizes the handling of large files, particularly beneficial when working with MP4 videos, which can be big and require considerable system resources. This optimization means users will not encounter lags, even with extensive video libraries. https://www.filemagic.com/en/video-files/mp4-file-extension/how-to-open-a-file-with-the-mp4-file-extension/