Microsoft AI Updates: July 17, 2026

1. Copilot Prompt Gallery Adds Company-Wide Prompt Publishing

Microsoft. The Microsoft 365 Copilot release notes covering updates through July 15 introduced tenant-wide prompt publishing in the Copilot Prompt Gallery. Organizations can build and distribute curated collections of prompts tailored to their business needs so employees across the tenant can discover and reuse them. The feature aims to spread effective prompting patterns without leaving each user to write prompts from scratch. Source

2. Model Context Protocol Agents Come to Office Apps

Microsoft. The July 15 release notes added support for accessing agents built with the Model Context Protocol directly inside Word, Excel, PowerPoint, Outlook, and Catalyst. The change brings MCP-based agents into the core Office applications rather than confining them to Copilot Chat. It extends Microsoft’s adoption of the open protocol as a way to connect Copilot to external tools and data. Source

3. Admins Gain a Connectors Tab for Federated Copilot Connectors

Microsoft. Microsoft’s release notes added the ability for administrators to deploy and manage Federated Copilot Connectors, which are MCP-based, from a dedicated Connectors tab in the Microsoft 365 admin center. The update gives IT teams a central place to provision and govern the connectors that link Copilot to third-party systems. It positions connector management as a first-class administrative task. Source

4. Copilot Connectors Support Nested Permissions in Confluence and ServiceNow

Microsoft. The July 15 release notes introduced support for hierarchical access control lists in the Confluence and ServiceNow connectors, letting admins manage access through nested permissions. The change is intended to more faithfully mirror the permission structures already defined in those external systems. It aims to reduce the risk of Copilot surfacing content that a user should not see. Source

5. Copilot Can Generate Brand Kits From Uploaded Guidelines

Microsoft. The release notes added a feature that lets users upload their brand guidelines documents and have Copilot automatically generate reusable brand kits. The kits capture visual elements so that content created in Copilot can stay consistent with an organization’s branding. The capability is aimed at teams producing documents and presentations that need to match established style rules. Source