Microsoft 365 Message Center Archive

MC1422058

(Updated) Measure Copilot sentiment in the Copilot Dashboard with Viva Pulse

MC1422061

Microsoft Entra ID: Retirement of Custom Controls in Conditional Access and migration to External MFA

MC1422074

(Updated) OpenAI models will soon be available as a subprocessor in Microsoft 365 Copilot

MC1423101

M365 Copilot usage reports – updated reporting experience, faster refresh, and more Copilot usage metrics in Graph API

MC1423103

(Updated) Copilot Notebooks now supports Markdown (.md) files as grounding sources

MC1423105

Introducing Auto-Attendant Call Flow Visualizer in Teams Admin Center

MC1423106

Introducing cross-tenant message recall in Exchange Online

MC1423109

Support for the “Get Diagnostics” feature visibility option within M365 Cloud Policy Service for Outlook Mobile and Mac

MC1423113

Create, view, and edit Markdown files in OneDrive mobile

MC1423115

PDF annotation for sensitivity-label protected PDFs in the OneDrive apps (iOS and Android)

MC1423116

Microsoft Outlook for iOS and Android: Clearer Copilot availability in multi-account experiences

MC1423117

Thumbnail view for PDFs is available in OneDrive and SharePoint on the web

MC1425968

Dynamics 365 Project Operations - Configure Maximum Daily Time Entry Duration

MC1425995

Dynamics 365 Project Operations - Enable time zone independent behavior on Time Entry Grid

MC1426708

(Updated) End of support for OneDrive sync app on Windows 10 21H2 and earlier

MC1426709

Microsoft Teams: Custom recording and transcription notifications now available for 1:1 calls

MC1426716

Neutral-themed SharePoint UI in page editing and property panes

MC1427603

The July 2026 Windows security update is now available

MC1427604

Enforcement phase for Kerberos RC4 protections begins with the July 2026 Windows security update

MC1427626

(Updated) Notice: The July 2026 Scan Cab for Microsoft updates is delayed

MC1427862

The July 2026 Scan Cab is available

MC1427962

Network best practices for Teams town halls and live events with third‑party providers

MC1427969

Planned Windows 365 Connectivity Maintenance and RDP Multipath with Redundant TCP Transport Paths General Availability

MC1427970

Microsoft Forms automated email sender domain is changing

MC1428562

Copilot Studio - Share autonomous agents to end users