🚨Major Update: This post contains a significant change that may impact your

Exchange Online will let admins control MTA-STS and SMTP DANE validation modes on outbound connectors starting late February 2026. Modes include Opportunistic (default), None (disables validation), and Mandatory (enforces SMTP DANE). No action is needed unless changes to validation behavior are d...

The "Require approved client app" control in Microsoft Entra Conditional Access will retire in June 2026. Organizations should update policies to use the "Require application protection policy" control for equivalent and enhanced protection. After retirement, the old control will no longer be enf...

On January 20, 2026, the new usage experience in Power Platform admin

We've released updates to the following update channel for Microsoft

Viva Glint Reporting will improve navigation by replacing the "Go Back" link with a feature allowing users to drill down and up within reports, returning to the previous report state instead of the home page. This will roll out globally in February 2026, enabled by default with no admin action ne...

🚨Major Update: This post contains a significant change that may impact your

Custom greetings in voice call authentication will retire on February 28, 2026. After this date, voice calls for multifactor authentication will use Microsoft’s default recordings. Organizations should prepare users for this change and review their MFA configurations accordingly.

Microsoft 365 Copilot will let licensed users in new Outlook and Outlook for web set custom calendar instructions to auto-RSVP to meetings and remove canceled ones. It proactively manages calendar events with notifications, rolling out worldwide from late January to early March 2026. No admin cha...

Microsoft Teams will roll out an External domains anomalies report by March 2026, enabling admins to detect unusual external communication patterns. Available in the Teams admin center, it provides insights and blocking options for suspicious domains. Admins can enable alerts for proactive monito...

Brand Impersonation Protection for Teams Calling will launch mid-February 2026, warning users of suspicious external calls to reduce fraud risks. Enabled by default, it evaluates inbound calls for impersonation, showing high-risk alerts. No admin action is needed; organizations should prepare hel...

Agent Mode in Microsoft 365 Copilot for PowerPoint for the web enables conversational editing while preserving formatting, structure, and branding. Available mid-February to mid-March 2026 for licensed users, it integrates with Copilot Chat and requires no admin action. Users should be informed a...