Microsoft Onenote Portable Access
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:
A lightweight version pre-installed on older Windows systems. It is being retired in October 2025 . Microsoft Onenote Portable
OneNote Portable includes several security features, including: If you absolutely require a "folder-based" portable app
Unofficial portable versions of OneNote are a vector for malware and data leakage. Use OneNote Online in a portable browser in private/incognito mode on trusted networks only. Use OneNote Online in a portable browser in
The web version lacks advanced features like offline access (you need a network connection), local notebook creation, recording audio, or complex OCR (Optical Character Recognition).
If you are setting up OneNote for the first time on a new device, follow this structure to keep it efficient: 15 AWESOME OneNote Tips for Better Note Taking
What if you could carry your entire digital brain – every meeting note, project plan, and “aha!” moment – in your pocket?