Microsoft Onenote Portable [2021] -

If you need OneNote on the go without installing it, consider these safer, official options:

Microsoft OneNote 2016 (the last great desktop version before the push to cloud) can be coerced into a semi-portable state. 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. If you need OneNote on the go without

This is less portable, not more. It is tied to the Microsoft Store infrastructure and your Windows user account. It cannot be run from a USB drive. This is less portable, not more

Microsoft does not actively scan for portable repacks, but using cracked or modified executables violates the Microsoft Software License Terms. If you own a valid Microsoft 365 license, you are ethically (though not technically) permitted to create a portable copy for personal use. But redistributing it is illegal.