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