Microsoft Onenote Portable _hot_ -

A lightweight version pre-installed on older Windows systems. It is being retired in October 2025 .

If you specifically need a version to run from a USB drive on computers where you cannot install software, advanced users use these methods: Introducing OneNote - Microsoft Support Microsoft Onenote Portable

If you need a standalone executable that doesn't leave a footprint on the host system, community-driven projects provide workarounds. A lightweight version pre-installed on older Windows systems