(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model [MC1287370]

(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model [MC1287370]

Message ID: MC1287370 (Updated) Updated April 29, 2026: We have updated the content. Thank you for your patience. [Introduction]Microsoft is introducing an automatic upgrade for shared calendars in Outlook and Exchange Online, transitioning from the legacy MAPI-based model to the modern…
Microsoft Security Exposure Management Secure Now [MC1288236]

Microsoft Security Exposure Management Secure Now [MC1288236]

Message ID: MC1288236 (Updated) [Introduction]Microsoft is taking steps to help keep customers safe as AI models become more advanced including plans to incorporate advanced AI models directly into our Security Development Lifecycle (SDL) to identify vulnerabilities and develop mitigations and updates. We are also sharing guidance through Microsoft Security…
Microsoft Edge: M365 Copilot Search relevance using work browsing history [MC1294523]

Microsoft Edge: M365 Copilot Search relevance using work browsing history [MC1294523]

Message ID: MC1294523 [Introduction]With IT administrator approval, Microsoft Edge will share selected work browsing history from Microsoft and third‑party apps with Microsoft 365 Copilot Search to improve search result ranking. When users search in Microsoft 365 Copilot Search, Copilot will…
Power Automate trigger and action for forms in SharePoint (Preview) [MC1294519]

Power Automate trigger and action for forms in SharePoint (Preview) [MC1294519]

Message ID: MC1294519 [Introduction] We're introducing new Power Automate capabilities for forms in SharePoint, enabling customers to automate workflows based on form submissions. These features are in Preview and may evolve before full General Availability. This update includes: A new…
Microsoft Exchange Online: Dynamic distribution groups will populate membership faster on creation and modification [MC1294524]

Microsoft Exchange Online: Dynamic distribution groups will populate membership faster on creation and modification [MC1294524]

Message ID: MC1294524 [Introduction]We’re updating dynamic distribution groups (DDGs) in Exchange Online so group membership is available sooner after a group is created or its filter is changed. For DDGs whose filter returns 5,000 members or fewer, membership will be…