Microsoft Copilotfeature
August 25, 2026·Source

Outlook Emails as References in Copilot Notebooks

You can now add Outlook emails as knowledge sources in a Copilot Notebook, alongside files.

  • Notebooks previously accepted only files and documents as references, so email context had to be pasted in by hand
  • Added through Add content, then choosing Outlook emails and picking the relevant threads
  • Emails then feed downstream outputs generated from the notebook, such as presentations and briefs
  • Available on Windows and Web across Microsoft 365. Roadmap ID 564910

Best for

Grounding a notebook in the email threads where a project's decisions were actually made.

When to use it

The context Copilot needs lives in a thread, not in a document, and outputs keep coming back generic.

Who benefits

Anyone building briefs, decks, or summaries in Copilot Notebooks from work that ran over email.

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Outlook Emails as References in Copilot Notebooks | Microsoft Copilot | Chasing Next