Microsoft 365 Copilot Update Version September 23, 2026

September 23, 2026 release notes for Microsoft 365 Copilot and related apps. Highlights include Copilot Chat and search improvements, new admin controls, Planner Agent chat, Outlook triage actions, and new Copilot features across Excel, Forms, PowerPoint, and the Copilot app.

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Product Information

Vendor: Microsoft

Product: 365 Copilot

Product type: Other

Platform: Web

Version: September 23, 2026

Vendor information published: Sep 23, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 26, 2026

Description: AI assistant integrated into Microsoft 365 productivity workflows.