If your goal is to have your notes available on any computer, follow this hierarchy of solutions:

If you genuinely need access to your notes without installing anything, . It is called OneNote for the Web .

The most direct way to use OneNote portably on any public or guest computer is through a web browser. : Simply sign in at OneNote.com.

Standalone apps for iOS and Android, and a browser-based version at OneNote.com , provide the highest degree of device-independent portability.

Some IT veterans keep a copy of (the last desktop version before the "Universal Windows Platform" app) configured as portable. This works because OneNote 2016 stores notebooks as actual .one files in a folder, rather than requiring a database.