Count selected contents. Count include: Paragraphs, Characters(no spaces), Characters, Words, Non-Asian words, Asian words, Images.
Export specify notebook to a .zip file. (Extract zip file, include: .onetoc2, .one files and subdirectories.)
In the Notebook list page, right click on the notebook, click the "Export notebook" menu item to export the notebook.
Select the folder that contains the OneNote notebook from your local drive to import your notebook.
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Create Table of Contents