Microsoft AI Updates: August 13, 2026

1. Microsoft Adds Anthropic Model Choice to Copilot in Word

Microsoft. Microsoft’s August 11 Microsoft 365 Copilot release notes add the option to choose Anthropic models when editing with Copilot in Word on the web, expanding model flexibility beyond OpenAI’s models. The change lets users select the underlying model for Copilot’s in-document editing. It continues Microsoft’s move toward offering multiple frontier models inside Microsoft 365 Copilot surfaces. Source

2. Copilot Gains Outlook Drafting Coach, Planner Agent, and Credit-Usage Dashboard

Microsoft. The same release notes wave adds Copilot coaching feedback in Outlook that suggests improvements as users draft, edit, and format emails, along with a Planner Agent in group-based basic plans and a Viva Insights Consumption Dashboard that tracks Copilot credit usage. SharePoint gains an Authoritative Sites capability, and PowerPoint adds web-based presentation creation and Adobe Experience Manager asset integration. The notes cover features released between July 28 and August 11, 2026. Source