Microsoft Onenote Portable Portable — Original & Popular

They may be outdated, unstable, or lack critical security updates. Functionality:

Take notes anywhere for free. | Microsoft OneNote for the Web. Microsoft OneNote Microsoft Onenote Portable

While there is no standalone "Microsoft OneNote Portable" app from Microsoft, you can still achieve portability by using several effective methods. Microsoft traditionally offers OneNote as an installed desktop app, a pre-installed Windows 10 app (which is being retired in October 2025), a mobile app, or a web-based version. They may be outdated, unstable, or lack critical

OneNote desktop (OneNote 2016 / Microsoft 365) They may be outdated