23 September 2026 · Microsoft 365 Copilot app · WebWhat changed
The Microsoft 365 Copilot app introduces a new Notebooks design. In the Copilot app, users can quickly chat with Copilot, explore references, and create artifacts. The full-featured Notebooks experience remains available in OneNote, while the app offers a lighter, faster version.
Try this
- Open the Microsoft 365 Copilot app.
- Create a new Notebook to start organizing related chats and outputs.
- Access your Notebook in the app or open it in OneNote for advanced features.
See the 23 September 2026 release notes ↗