Copilot in OneNote cannot access content in sidebar (Microsoft 365 Premium)

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Hello everyone,

I'm hoping someone from the OneNote or Copilot team can help with an issue that has prevented me from using Copilot in OneNote for approximately two months despite having an active Microsoft 365 Premium subscription.

Issue

Copilot can detect that a OneNote page is open, but it cannot access or read the contents of the page.

For example, if I open a page named 1Cor4:1-16.onepart or create a brand-new test page, Copilot acknowledges that the page exists but responds with something similar to:

"I can see that the file is open, but I cannot access the note contents."

As a result, Copilot cannot summarize, analyze, answer questions about, or otherwise interact with the contents of the current page.

Environment

• Microsoft 365 Premium (Personal Subscription)
• OneNote for Microsoft 365
• Version 2608
• Build 16.0.20326.20100 (64-bit)
• Windows Desktop
• Notebooks stored in and synced through OneDrive

Troubleshooting Completed

I have already performed extensive troubleshooting, including:

• Verifying my Microsoft 365 Premium subscription is active
• Verifying I am signed into the correct Microsoft account
• Signing out and back into Office and OneNote
• Confirming notebooks are syncing properly
• Updating Office and OneNote to the latest version
• Restarting OneNote and Windows multiple times
• Creating brand-new notebooks and test pages
• Testing across multiple days and sessions

The issue is fully reproducible on both existing notebooks and newly created notebooks.

Microsoft Support Findings

I have already worked directly with Microsoft Support.

A support technician remotely connected to my computer and reviewed my configuration. They confirmed that Copilot in OneNote should be functioning in my environment.

During the support session they performed multiple troubleshooting and repair actions, including uninstalling and reinstalling components, repairing Office, and verifying account and licensing status. Despite all of this, the problem remained unchanged.

The technician indicated that the issue appears to be on the Copilot/OneNote side rather than being caused by my local setup. Since they were unable to resolve it, they recommended that I post here in the Microsoft Tech Community to seek further escalation and visibility.

Questions

1. Has anyone else experienced an issue where Copilot can see the currently open OneNote page but cannot access the page contents?
2. Is there a known service-side, provisioning, or feature-rollout issue that could cause this behavior?
3. Is there a way to escalate this directly to the OneNote or Copilot engineering teams?

At this point, I've been paying for the feature for roughly two months and have not been able to use the core OneNote Copilot functionality at all.

Any assistance or guidance would be greatly appreciated. Thank you.