Standalone apps for iOS and Android, and a browser-based version at OneNote.com , provide the highest degree of device-independent portability.
Before you download "Microsoft OneNote Portable.exe" from a random forum (like PortableAppz or Softpedia), stop. You are taking a massive security risk. Microsoft Onenote Portable
Tired of being tied to one device to access your notes? 😩 Standalone apps for iOS and Android, and a
If you need OneNote on the go without installing it, consider these safer, official options: Standalone apps for iOS and Android