OneNote Gem Add-Ins

OneNote Batch v27 improve the “New Pages by List” to support create 1, 2 – level subpages.

Create a Plain Text File with a List with Indentation 
In this article, we create a plain text file named Office.txt.
The file contains the following list with indentation:
 
Office 365 Home
    Office apps included
        Access
        Excel
        Outlook
        PowerPoint
        Publisher
        Word
    Services included
        OneDrive
        Skype
Office 365 Personal
    Office apps included
        Access
        Excel
        Outlook
        PowerPoint
        Publisher
        Word
    Services included
        OneDrive
        Skype   
Office Home & Student 2019
    Office apps included
        Excel
        PowerPoint
        Word
   
Where 4 spaces are used as a first-level indentation. The second-level indentation uses 8 spaces.

• No indentation: OneNote Level 0 page
• First-level indentation: OneNote Level 1 subpage
• Second-level indentation: OneNote Level 2 subpage

Create Pages in Bulk 
In OneNote Batch:

1. Click “Edit” tab -> “New Pages by List”.
2. In the notebook tree on the left, check the section you want to create the page.
3. Click the "Add Files" button on the right to add the newly written Office.txt file. We'll see that it's listed by line.
4. Finally click the "Start" button to start creating level 0, 1, 2 pages in bulk.

See the Effect Spawned in OneNote 
Back to OneNote, we see that level 0, 1, 2 pages have been generated.
OneNote can only create up to 2 levels of subpage.