Microsoft 365 Message Center

A new Exchange Online PowerShell cmdlet will allow admins to change the organizer of existing meetings or series, preserving meeting history and updating attendees silently within the tenant. Rollout begins mid-May 2026, requiring no configuration. User-initiated organizer changes in Outlook and ...

Teams Android device management is moving from the Teams admin center to the Teams Rooms Pro Management portal between April and September 2026. PMP will unify management of all Teams devices with enhanced features. No immediate action is needed; devices will auto-appear in PMP at General Availab...

Starting March 2026, Microsoft Defender Antivirus with MDE configuration management will stop storing readable exclusion values in the local registry. Organizations must use supported PowerShell cmdlets like Get-MpPreference to retrieve antivirus settings. Registry-based monitoring will no longer...

We are announcing the ability to trigger forecast scenarios on demand in

Windows is moving toward a more secure authentication model by phasing out

Exchange Web Services (EWS) in Exchange Online will be phased out starting October 1, 2026, with full retirement by April 1, 2027, replaced by Microsoft Graph. Organizations must migrate workflows, configure AppID AllowList to continue EWS use after October 2026, or face permanent EWS access remo...

Starting late March 2026, Microsoft 365 Copilot license requests will include an optional business justification field for users. Admins will see this justification during review to streamline approvals. The feature is on by default, requires no tenant configuration, and does not affect existing ...

Microsoft 365 Copilot will introduce a unified plus (+) menu by late February 2026, consolidating grounding, tools, and sources into one menu for easier access. This change affects Copilot Chat and Microsoft 365 Copilot users, is enabled by default, requires no admin action, and improves workflow...

Engage will retire live events powered by Teams Live Events on April 15, 2026. Existing events scheduled before this date will be supported until February 28, 2027. Users should migrate to Engage events powered by Teams town halls and update internal documentation accordingly.

Project Online retires September 30, 2026. From April 1, 2026, new Project Web App (PWA) site creation will be blocked, and unused PWA sites without projects will become inaccessible. Active sites remain functional. No admin action needed; prepare by ensuring sites contain projects before April 1...

Starting early to mid-February 2026, Outlook for iOS and Android on iPads may open Word, Excel, and PowerPoint attachments directly in their apps if installed, replacing the in-app previewer. This experiment affects iPad users only, requires no admin action, and may not be permanent.

Catch up on important changes and evolving standards that will help strengthen