Microsoft 365 Service Updates for July 14-20, 2025

It covers major updates like enhanced security defaults, delays in Microsoft 365 Copilot Chat agents in Outlook, and changes to SharePoint custom scripting. Additionally, it announces the depreciation of TLS 1.1 for the Fabric Platform, the introduction of a Facilitator agent for real-time notes in Microsoft Teams meetings, and upcoming end-of-servicing dates for Windows 10 versions. The document also includes additional updates across various Microsoft services such as Microsoft Authenticator, Microsoft Teams, Viva Engage, Outlook, Viva Insights, Defender for Identity, To Do, OneDrive for Business, and Microsoft 365 Copilot, highlighting new features, security enhancements, and administrative changes. Finally, it mentions the general availability of Microsoft Security Copilot in Intune and hotpatching for 64-bit Arm architecture.