MC1221422: Power Platform - Upcoming enforcement of tenant isolation
As part of our Secure Future Initiative (SFI), the tenant isolation feature
MC1221401: Microsoft Dataverse – Service Update 9.2.26013.00000 for GBR
We have a minor service update planned for your Microsoft Dataverse environment
MC1220762: Retirement notice: MDE and XDR APIs retiring; migrate to Microsoft Graph Security API
🚨Major Update: This post contains a significant change that may impact your
MC1220759: MTA-STS and SMTP DANE mode on connectors
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...
MC1220751: Reminder: "Require approved client app" control in Microsoft Entra Conditional Access will be retired in June 2026
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...
MC1220728: Power Platform admin center - New usage experience rolling out in Public Preview
On January 20, 2026, the new usage experience in Power Platform admin
MC1220722: Updates available for Microsoft 365 Apps for Current Channel
We've released updates to the following update channel for Microsoft
MC1219803: Microsoft Viva - Viva Glint: Navigation improvements in Reporting
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...
MC1219801: Ask Microsoft Anything: Secure Boot - February 5
🚨Major Update: This post contains a significant change that may impact your
MC1219798: Custom greetings in voice call authentication will retire on Feb 28, 2026
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.
MC1219796: Microsoft 365 Copilot: Proactively RSVP to meetings and remove canceled meetings in Outlook
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...
MC1219794: Microsoft Teams: External domains anomalies report
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...