Filemagic is built on a strong foundation that optimizes the handling of large files, particularly useful when working with MP4 videos, which can be big and require ample system resources. This improvement 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/