AI & Tech

Microsoft is giving Claude the keys to UK Copilot tenants by default

Microsoft will enable access to Anthropic's Claude models by default for UK Copilot tenants next month, giving administrators a deadline to decide whether US-based processing fits their compliance requirements.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 10, 2026, 11:30 AM UTC
Key points
  • Microsoft is also retiring the setting that restricts Claude access to Microsoft 365 alone.
  • However, UK tenants aren't in scope for Microsoft's EU Data Boundary - launched at the start of 2023 - and so Redmond is flipping the switch for the country.
  • "This affirms Microsoft's commitment to offering choice between leading AI models while maintaining enterprise-grade security and compliance," the Redmond-based biz said.

In this instance, Anthropic operates as a Microsoft subprocessor, and Claude models are already on by default for most customers in the Windows giant's commercial cloud.

From December 9, UK tenants whose administrators have not already chosen a setting will have Claude access enabled.

Additional details
  • Administrators therefore have until December 9 to review whether that meets their organization's data-handling requirements and set access accordingly.
  • The exceptions, notably, include the European Union, the European Free Trade Association, and the UK.
  • Anthropic processes the relevant data in the United States, Microsoft's documentation states.
  • Administrators can disable it, but leaving the setting untouched means opting in.
  • So long as you don't mind processing happening in the US.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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