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
If portability is your #1 need, (with portable mode) is the closest match to OneNote’s structure—notebooks, tags, Markdown, and end-to-end encryption. You can even import .one files via external tools. onenote portable
: OneNote is available as a free download for Android and iOS devices. The official version of (a standalone
Modern OneNote (OneNote for Windows 10 / OneNote 365) is deeply integrated with the Windows operating system and Microsoft cloud services. It relies on registry keys for add-ins, printer drivers (OneNote Printer), and local cache systems. Because of this deep integration, Microsoft does not offer an official, standalone portable executable (.exe) of modern OneNote. The Official Alternative: OneNote for the Web If
: Use your phone’s camera as a portable scanner to upload documents directly into your notes using Office Lens technology.
If you download a pre-packaged “OneNote Portable.exe” from a third-party site:
: Although Microsoft has deprecated active development for this feature, you can still create a "Windows on a USB" drive using tools like Rufus. By installing OneNote onto this portable Windows environment, the entire OS—and OneNote with it—becomes portable.