Batch numbering OneNote sections

In the process of using OneNote, sometimes we want to numbering the sections, it's used for sorting.

Gem for OneNote now provide a feature named "Numbering Sections", it can numbering sections in current notebook.
 

At first, choose the notebook which we want to numbering it's sections.

Click the "Numbering Sections" feature, the Gem will  numbering the sections.

Number enclosed in parentheses (), we can use this feature to sort sections.

At the same time, we can use "Remove Numbering Sections" to remove the number from section name.