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How to Add More Than Three Page Sublevels in OneNote

Emma BrownEmma Brown Oct 26, 2026 868 views

Question details

The user needs to create a deeper page organization by adding more than three sublevels in their notebook.

How to Add More Than Three Page Sublevels in OneNote
Product
Microsoft OneNote
Device & OS
not provided
Scenario
Structuring highly detailed or complex notes that require extensive categorization and deep hierarchical nesting.
Observed behavior
OneNote currently restricts the page hierarchy to a strict maximum of three levels (Page, Subpage, and Sub-subpage), preventing any further page demotion.
Before you start

Be aware that OneNote has a hardcoded architectural limit of three page levels. To achieve deeper organization, you will need to utilize Section Groups or submit official feedback to Microsoft for future updates.

Solution 1Recommended

Submit a Feature Request to Microsoft

Since the three-level limit cannot be bypassed within the app's settings, the official recommendation is to submit a feature request to the Microsoft product team.

Microsoft actively monitors user feedback to plan future updates. Requesting a fourth or fifth sublevel helps the development team understand the demand for deeper page organization.

1
Access the Help menu

Open your Microsoft OneNote application and click on the 'Help' tab located in the top ribbon.

2
Open the Feedback panel

Click on 'Feedback' (or 'Suggest a Feature' depending on your version) to launch the Microsoft feedback portal.

3
Detail your use case

Explain that you need more than three page sublevels for your workflow and describe how it would improve your note organization, then click 'Submit'.

Submit a Feature Request to Microsoft
Alternative Submission Route: You can also submit your feature request directly through your web browser by visiting the official Microsoft Office Feedback web portal.
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Frequently Asked Questions

What are the specific page levels currently supported in OneNote?

OneNote supports exactly three levels of page hierarchy: a primary 'Page', a 'Subpage' nested beneath it, and a 'Sub-subpage' nested under the subpage.

Can third-party add-ins help me add a fourth sublevel?

No. While add-ins like Onetastic provide advanced macro features and sorting capabilities, they cannot alter the fundamental hierarchy structure hardcoded into OneNote.

How do I promote or demote a page in my notebook?

Right-click the page tab in your page list and select 'Make Subpage' to demote it. To reverse this, right-click it again and select 'Promote Subpage'.

Is there a limit to how many subpages I can create at one level?

No, while the horizontal depth is restricted to three levels, you can have a virtually unlimited number of subpages or sub-subpages running vertically down your list.