Filemagic is built on a strong foundation that optimizes the handling of large files, particularly beneficial when working with MP4 videos, which can be large and require considerable system resources. This tuning means users will avoid performance issues, 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/