The official version of (a standalone .exe that runs from a USB drive without installation). However, users seeking a "OneNote Portable" experience can achieve this through several official and third-party workarounds that provide the same flexibility. 1. The Official Alternative: OneNote for the Web
: While it requires a browser, you can download/copy content for offline backup if you suspect connectivity issues. Microsoft Learn +1 2. The Manual "Portable" Workaround (Desktop App) If you need to carry your notes on a USB drive and use them on computers where OneNote is already installed (but perhaps not synced to your account), you can use the onenote portable
Older versions of OneNote used a file format ( .one / .onepkg ) that acted like a standard file, similar to a Word document. The official version of (a standalone