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Anthropic models in Microsoft Online Services

Applies to: ✅ Microsoft 365 Copilot

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Microsoft is introducing a new offering with Anthropic AI models as part of Microsoft Online Services, delivering enterprise-grade commitments and safeguards to ensure secure and responsible use of Anthropic models within your organization.

To enable this change, Anthropic has onboarded as a Microsoft subprocessor. This change simplifies the experience and strengthens compliance and security under Microsoft's enterprise framework. The Microsoft Customer Copyright Commitment (CCC) applies to Anthropic models used within products covered by the CCC, including Microsoft 365 Copilot and Copilot Studio.

As a subprocessor, Anthropic will operate with Microsoft oversight through contractual safeguards and appropriate technical and organizational measures. Unless models are labeled "Preview models with Data Retention," the Microsoft Product Terms and Microsoft Data Protection Addendum (DPA) apply to use of Anthropic models through Microsoft's enterprise Online Services. Such use is also covered under our Enterprise Data Protection.

For more information about subprocessor data access, see Microsoft Data Access Management. To see a list of Microsoft subprocessors, see Service Trust Portal.

Microsoft will enable Anthropic models on by default for most customers in commercial cloud (excluding EU/EFTA and UK). This update gives users in your organization the ability to use multiple AI models in their Microsoft offerings, such as in Microsoft 365 Copilot, Researcher, Copilot Studio, Power Platform, and Copilot in Microsoft 365 apps. This affirms Microsoft's commitment to offering choice between leading AI models while maintaining enterprise-grade security and compliance.

Important

Anthropic models deployed in Microsoft offerings such as Microsoft 365 Copilot, Researcher, Copilot Studio, Power Platform, and Copilot in Microsoft 365 apps are currently excluded from the EU Data Boundary, and when applicable, in-country processing commitments. Customers within the EU Data Boundary and customers in the UK will have Anthropic models disabled by default.<br>Anthropic models aren't currently available for use in government clouds (GCC, GCC High, DoD) or sovereign clouds.

Anthropic as a subprocessor is being introduced gradually and isn't yet available to all organizations. During this phased rollout, some features may be limited for your organization. Full availability is expected by the end of March 2026.

Note

From time to time, some newly available and advanced models from Anthropic may still be made available with separate controls that allow Microsoft tenant admins to opt in to use preview models under Anthropic's separate commercial terms and data processing agreement. For example, different terms apply to Anthropic Preview models with Data Retention, and these models must always be separately enabled even where other Anthropic models are on by default. For more information, see Preview AI models in Microsoft Online Services.

Anthropic Preview models with Data Retention

Some Anthropic models are subject to retention and storage of Customer Data by Anthropic("Preview models with Data Retention"). For these models, Anthropic acts as an independent data processor, not a Microsoft subprocessor. Preview models with Data Retention are made available for use from within some Microsoft Online Services but subject to Anthropic's Commercial Terms of Service and Anthropic's Data Protection Addendum. Your organization's use of Anthropic Preview models with Data Retention is optional . Preview models with Data Retention have additional controls in the Microsoft 365 admin center and remain default-off for all scenarios, including in regions when different Anthropic models are on by default in commercial cloud and for which Anthropic is a Microsoft subprocessor.

Manage Anthropic's Claude model settings in the Microsoft 365 admin center

Microsoft is making Anthropic models available by default in certain regions. In Microsoft 365 Copilot (web, desktop, and mobile), UI indicators will show when Claude models are in use. In Copilot Studio, creators must select the model during agent creation. In capabilities such as Edit with Copilot in Microsoft 365 apps or Researcher, users can select Claude .

Opt-in regions and exclusions

In some regions, Anthropic's models aren't available by default. For these regions, the toggle will appear but the default is set to Off . These regions include the European Union (EU), the...