Microsoft Onenote Portable ~repack~

. Since it lives in your browser, it requires zero installation and works on any machine with an internet connection.

No. Windows portable apps do not run on macOS without emulation (WINE/CrossOver), which is unreliable for OneNote. Use OneNote Online or a native Mac portable alternative like Obsidian. Microsoft Onenote Portable

Differences between using a notebook in the browser and in OneNote Microsoft Onenote Portable