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Microsoft Copilot in Outlook in Microsoft 365 Copilot: what does this AI read, and can you turn it off?

Checked on October 27, 2026

This AI is not on by default; it can be turned off.

The facts, edition by edition

All editions
What the AI doesSummarize “Microsoft Copilot in Outlook can summarize an email thread, suggest action items, replies, and follow-up meetings.” [4] dated copy
ModelNot yet verified
What it readsEmail “Microsoft Copilot in Outlook can summarize an email thread, suggest action items, replies, and follow-up meetings.” “Microsoft Copilot in Outlook helps manage the email inbox and create impactful communication more efficiently.” [4] dated copy
Where the data goesNot documented by the vendor “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” “EU traffic stays within the EU Data Boundary while worldwide traffic can be sent to the EU and other countries or regions for LLM processing.” [3] dated copy
Trains on your dataNo “Data stored about user interactions with Microsoft Copilot is encrypted and isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” [4] dated copy
On by defaultNo “Une licence distincte pour une offre Microsoft 365 éligible est nécessaire.” [1]
Can be turned offYes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy
BillingNot yet verified
Feature typeNot yet verified
Frameworks the catalog links to itNot yet verified

All editions

What the AI does
Summarize “Microsoft Copilot in Outlook can summarize an email thread, suggest action items, replies, and follow-up meetings.” [4] dated copy
Model
Not yet verified
What it reads
Email “Microsoft Copilot in Outlook can summarize an email thread, suggest action items, replies, and follow-up meetings.” “Microsoft Copilot in Outlook helps manage the email inbox and create impactful communication more efficiently.” [4] dated copy
Where the data goes
Not documented by the vendor “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” “EU traffic stays within the EU Data Boundary while worldwide traffic can be sent to the EU and other countries or regions for LLM processing.” [3] dated copy
Trains on your data
No “Data stored about user interactions with Microsoft Copilot is encrypted and isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “isn't used to train foundation models (including those used by Microsoft Copilot) from model providers such as Microsoft (Azure Open AI Service), Anthropic, or OpenAI.” “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” [4] dated copy
On by default
No “Une licence distincte pour une offre Microsoft 365 éligible est nécessaire.” [1]
Can be turned off
Yes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy
Billing
Not yet verified
Feature type
Not yet verified
Frameworks the catalog links to it
Not yet verified

To turn it off

  • All editions: Yes “If you turn off connected experiences that analyze your content on devices in your organization, Microsoft Copilot features won't be available to your users in the following apps:” [3] dated copy

Frameworks the catalog links to it

Linked frameworks will appear once the reference set is published.

  • All editions: Not yet verified

Sources

  1. Microsoft 365 Copilot, tarifs entreprise, Microsoft, October 8, 2026
  2. Microsoft 365 Copilot Business, tarifs, Microsoft, October 8, 2026
  3. Data, Privacy, and Security for Microsoft Copilot, Microsoft, October 22, 2026
  4. Application card: Microsoft Copilot (for organizations), Microsoft, October 22, 2026

Change log

No change since first publication.

This fact sheet says nothing about your setup: the free readout, in French for now, reads it in your tools.

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