Copilot in Microsoft 365 apps with Anthropic models in Microsoft 365 Copilot: what does this AI read, and can you turn it off?
Checked on October 26, 2026 by verification chain vchain-1
This AI is on by default; it can be turned off.
The facts, edition by edition
| All editions | |
|---|---|
| What the AI does | Write “This setting allows Microsoft Copilot in supported Microsoft 365 apps to use Anthropic models by default when generating or refining content.” [4] dated copy |
| Model | Claude “Anthropic models are available for use in Copilot experiences across:” “Microsoft Copilot includes an admin setting that enables the use of Anthropic models in Copilot experiences across Word, Excel, and PowerPoint.” [4] dated copy |
| What it reads | Documents “This setting allows Microsoft Copilot in supported Microsoft 365 apps to use Anthropic models by default when generating or refining content.” “Microsoft Copilot includes an admin setting that enables the use of Anthropic models in Copilot experiences across Word, Excel, and PowerPoint.” [4] dated copy |
| Where the data goes | Not documented by the vendor “When Anthropic models are used in Copilot experiences in Word, Excel, or PowerPoint, data processing for these models occurs outside of the Microsoft EU Data Boundary (EUDB).” “data processing for these models occurs outside of the Microsoft EU Data Boundary (EUDB)” “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” [4] dated copy |
| Trains on your data | Not yet verified |
| On by default | Yes “This setting is on by default for tenants in the EU, EFTA, and UK that were created after March 25, 2026.” [4] dated copy |
| Can be turned off | Yes “As the admin, you can manage the Anthropic model setting in the Microsoft 365 admin center.” “As an admin, you can decide whether to use these models to power your experiences, and additional terms may apply.” [4] dated copy |
| Billing | Not yet verified |
| Feature type | Not yet verified |
| Frameworks the catalog links to it | Not yet verified |
All editions
- What the AI does
- Write “This setting allows Microsoft Copilot in supported Microsoft 365 apps to use Anthropic models by default when generating or refining content.” [4] dated copy
- Model
- Claude “Anthropic models are available for use in Copilot experiences across:” “Microsoft Copilot includes an admin setting that enables the use of Anthropic models in Copilot experiences across Word, Excel, and PowerPoint.” [4] dated copy
- What it reads
- Documents “This setting allows Microsoft Copilot in supported Microsoft 365 apps to use Anthropic models by default when generating or refining content.” “Microsoft Copilot includes an admin setting that enables the use of Anthropic models in Copilot experiences across Word, Excel, and PowerPoint.” [4] dated copy
- Where the data goes
- Not documented by the vendor “When Anthropic models are used in Copilot experiences in Word, Excel, or PowerPoint, data processing for these models occurs outside of the Microsoft EU Data Boundary (EUDB).” “data processing for these models occurs outside of the Microsoft EU Data Boundary (EUDB)” “Models provided by Anthropic as a subprocessor are currently excluded from the EU Data Boundary.” [4] dated copy
- Trains on your data
- Not yet verified
- On by default
- Yes “This setting is on by default for tenants in the EU, EFTA, and UK that were created after March 25, 2026.” [4] dated copy
- Can be turned off
- Yes “As the admin, you can manage the Anthropic model setting in the Microsoft 365 admin center.” “As an admin, you can decide whether to use these models to power your experiences, and additional terms may apply.” [4] 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 “As the admin, you can manage the Anthropic model setting in the Microsoft 365 admin center.” “As an admin, you can decide whether to use these models to power your experiences, and additional terms may apply.” [4] dated copy
Frameworks the catalog links to it
Linked frameworks will appear once the reference set is published.
- All editions: Not yet verified
Sources
- Data, Privacy, and Security for Microsoft Copilot, Microsoft, October 22, 2026
- Application card: Microsoft Copilot (for organizations), Microsoft, October 22, 2026
- Microsoft 365 Roadmap, ID 558286, Microsoft, October 22, 2026
- Copilot in Microsoft 365 apps with Anthropic models, Microsoft, October 22, 2026
Change log
- October 26, 2026 · All editions · models: [{"maker":"Anthropic","name":"Claude Opus","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus and Claude Sonnet","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Sonnet","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"not_disclosed","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"not_disclosed","name":"not_disclosed","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}}] → [{"maker":"Anthropic","name":"Claude Fable 5.1","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus 4.7","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus 4.8","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus 5","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus 5.5","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Opus and Claude Sonnet","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Sonnet","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"Claude Sonnet 5","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"Anthropic","name":"not_disclosed","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}},{"maker":"not_disclosed","name":"not_disclosed","open_weights":"not_disclosed","hosting":{"provider":"not_disclosed","regions":["not_disclosed"]}}] · correction by Ojja [1, 2, 3, 4]
- October 26, 2026 · All editions · Where the data goes: Yes → Not documented by the vendor · correction by Ojja [4]
This fact sheet says nothing about your setup: the free readout, in French for now, reads it in your tools.