Microsoft Onenote Portable -

While there is no portable executable, there is an official portable solution:

Log in with your free Microsoft Account or your Microsoft 365 work/school account. Why It Works as a Portable Solution Microsoft Onenote Portable

Create your notebooks within the desktop version of OneNote. Go to . While there is no portable executable, there is

If you absolutely require a "folder-based" portable app that runs from a USB drive, you might consider these alternatives that offer official portable builds: Logseq or Obsidian: While there is no portable executable