Microsoft Copilot 2026 Adds OpenAI GPT 5.6 and Anthropic Claude 5

Microsoft’s 2026 Copilot update brings GPT 5.6 and Anthropic Claude 5 into Microsoft 365.

Outlook, Excel, and PowerPoint gain workflow improvements for email drafting and triage, spreadsheet analysis, and slide creation.

Interface changes like the Copilot button and Allow Actions give users more control over AI behavior.

The update aims to tie specific models to productivity apps to boost efficiency and flexibility at work.