Can't edit OneNote Class Notebook within Teams (read-only state) - Microsoft Support
Top 7 Ways to Fix OneNote Read-Only Status
Setting OneNote LAN Notebook for edit or read - Office OneNote Gem Add-Ins
Troubleshoot read-only notes in OneNote for Android - Microsoft Support
OneNote Read-Only - Microsoft Community
Microsoft OneNote Class Notebook – E-learning Help Guides
5 Ways to Fix OneNote Opening Files in Read-Only Mode - MiniTool
Top 7 Ways to Fix OneNote Read-Only Status
MS OneNote - How to Fix "We can't sync this section because it's read-only or because access to the file is denied. (Error code: 0xE000004A)" : r/ OneNote
Major OneNote Class NoteBook Announcement: Sharing With Parents – SamuelMcNeill.com