Can OneNote for the Web Encrypt Sections? (How to Fix)
Question details
The user wants to know if they can create and apply password protection to a section directly within OneNote for the web.

- Product
- Microsoft OneNote
- Device & OS
- not provided
- Scenario
- Attempting to secure sensitive notes by adding password protection to a new or existing section while using the web version of OneNote.
- Observed behavior
- OneNote for the web can successfully open and decrypt already protected sections, but it lacks the option to encrypt or create password protection for new sections.
Ensure you have the Microsoft OneNote desktop application installed on your Windows or Mac computer, and verify that your notebooks are fully synced before proceeding.
Apply Password Protection Using the OneNote Desktop App
Since OneNote for the web does not support creating passwords, you must use the desktop application to configure section encryption.
OneNote for the web is designed for quick access and basic editing. Advanced security features, such as initially encrypting a section, are restricted to the full desktop applications.
Once you apply the password on your desktop, the encrypted section will sync, and you will be able to unlock and view it on OneNote for the web.
Launch the OneNote application on your Windows or Mac computer and wait for your notebooks to finish syncing.
Navigate to the specific notebook and right-click the section tab that you want to encrypt.
Select 'Password Protect this Section' from the context menu, then click on 'Add Password' in the password protection pane.
Type your desired password, confirm it, and click 'OK'. Allow the notebook to sync to the cloud so the protection reflects in OneNote for the web.

Looking for a Complete Document Solution? Try WPS Office
If you are frustrated by having to switch between web and desktop apps just to secure your files, WPS Office offers a powerful, all-in-one suite. With built-in, accessible document encryption across all platforms, you can secure your sensitive text seamlessly. Plus, it serves as a lightweight and highly compatible alternative to Microsoft Office.
- 1. Download WPS Office: Install WPS Office for free on your Windows, Mac, or mobile device.
- 2. Create Your Document: Open WPS Writer and compile your sensitive notes or data into a new document.
- 3. Encrypt the File: Go to Menu > Document Encryption > Encryption to set a secure password for your file directly.

Frequently Asked Questions
Can I remove a section password using OneNote for the web?
No. Just like creating a password, removing or changing an existing section password requires using the OneNote desktop application.
What happens if I forget the password to my OneNote section?
If you lose or forget your password, you will not be able to access the notes in that section. Microsoft does not store passwords and cannot recover them for you.
Can I lock individual pages instead of the whole section?
OneNote only supports password protection at the section level. If you need to secure specific pages, you must move them into a dedicated password-protected section.
Why does OneNote for the web allow unlocking but not locking?
OneNote for the web is designed as a lightweight companion to the desktop apps. Advanced security configuration features like applying new encryption are limited to the full desktop versions to ensure robust security handling.




