2. Selected we want to export notebooks or sections.
3. Choose a folder for save the .html files.
4. Click the Start button.
The exported .htm file save all the files associated with the page, including graphics, frames, and style sheets in their original format.
OneNote Batch also export attachments in page.
To remove the signature "Created with Microsoft OneNote 2013" in exported files, you can uncheck the "Add the following signature to emails and Web pages created in OneNote:" in OneNote Options.