Excel's Copilot entry points are being consolidated into a single, consistent location with the right-side chat pane as the primary interface. Rollout starts late April 2026 (worldwide) and October 2026 (GCC). No action is required; the feature remains on by default for licensed users.

Microsoft Entra passkeys on Windows are generally available from late April 2026, enabling passwordless, phishing-resistant sign-in on Windows devices without explicit admin opt-in. This supports corporate, personal, and shared devices, with control via Authentication Methods policies and Conditi...

We are announcing the ability to enable online mode to access Dataverse

Starting April 15, 2026, browsers and platforms will distrust DigiCert Global Root CA (G1). Microsoft 365 services use newer certificates, so most users won't be affected. Legacy scenarios may face TLS errors. If issues arise, verify the certificate chain and contact Microsoft Support referencing...

Starting mid-May 2026, Microsoft Purview eDiscovery will restrict the use of +, -, =, @, /, and * in naming and description fields for cases, holds, searches, and review sets. Existing entities remain unaffected unless edited, which will trigger validation. No admin action is required, but user c...

We are announcing the ability to block customer data from being sent

We are announcing the ability to supervise autonomous agents with agent feed

Microsoft 365 Message center post headings will be standardized starting May 16, 2026, affecting admins using scripts or automation based on old headings. Update scripts to recognize new headings like "What and Why" and "Rollout Schedule" to avoid failures and ensure downstream systems work corre...

Microsoft 365 introduces a modernized change management model with flexible release audiences (Frontier, Standard, Deferred), enhanced Message center communications, and AI-powered insights via the MCP Server. Rolling out mid-April 2026, it offers IT teams greater clarity, control, and proactive ...

Starting late April 2026, Microsoft 365 Copilot will show suggested actions like summarizing and FAQ generation directly in OneDrive and SharePoint file previews. Enabled by default for eligible users, this feature respects existing permissions and policies, requiring no admin action but user awa...

Microsoft Sentinel for Developers will have planned breaking changes to ASIM KQL functions, updating _Im_ProcessCreate to use targetusername_has instead of targetusername. Organizations should review and update queries by May 25 or later to avoid disruptions. Rollout dates will be announced later.

Windows 365 will undergo planned maintenance from April 20-24, 2026, during non-peak hours by region, causing brief automatic reconnections lasting under a minute. No downtime is expected, and users can reconnect freely. No action is needed, but notifying helpdesk and users is recommended.