Sharing OneNote with external users

You could share with externals people with Onedrive or SharePoint or Office groups. > With OneDrive, you could create a notebook directly drom OneNote or through Internet Explorer in your OneDrive environement (create a new notebook option available) - do not forget to manager grant access > in SharePoint, you must create a folder, share it a create a notebook and open it after with OneNote > office group : same settings