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Microsoft 365 Message Center

MC1254552: Copilot Notebooks: New features coming to Frontier Public

New Copilot Notebooks features will launch in Frontier Public tenants starting March 23, 2026, including chat interactivity, study guides, SharePoint grounding, PowerPoint and Word agents, sharing to Microsoft 365 Groups, and Mind Maps. Features will become generally available by May 2026, enable...
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1254543: Power Apps - Custom theming for model-driven apps is becoming generally available

Custom theming for model-driven apps using the modern, refreshed look has
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1254512: 30-Day Reminder: Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update

Windows updates released April 2026 and later introduce the second deployment phase
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1254454: Dynamics 365 Sales - Improve opportunity context with AI-based data enrichment

We are announcing the ability to improve the context for opportunities with
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1254451: Dynamics 365 Sales - Modern, in-flow email template picker for Sequences

We are announcing a modern, in-flow email template picker for Sequences
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1254085: Power Pages - Power Pages version 9.8.3.x Production Release

Maintenance window start: March 21, 2026, at 6:00 PM UTC Maintenance
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253809: Planner and Project Online licensing: Project Plan 5 and Project Online Essentials retire from sale

Project Plan 5 and Project Online Essentials will retire from sale by May 1, 2026, with Project Online retiring on September 30, 2026. Customers should transition to supported SKUs like Planner and Project Plan 3 or Plan 1 to avoid disruption. No immediate service impact will occur.
Read More • 18 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253753: Whiteboards created in Teams channels will now be stored in SharePoint

Whiteboards created in Teams Channel tabs will be stored in the channel’s SharePoint site starting late September 2026, improving access, compliance, and collaboration. This change is enabled by default, requires no admin action, and aligns Whiteboard storage with other Microsoft 365 apps while m...
Read More • 17 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253752: Microsoft Teams: Manage multiple phone numbers within one Teams account

Microsoft Teams Phone will allow assigning up to 10 phone numbers per user within one account, enabling calls from multiple numbers on various devices. Rolling out April-May 2026, this feature is off by default and requires admin configuration and a Teams Phone license. No prior action needed.
Read More • 17 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253750: Microsoft 365 Copilot: Upload local files now supports .eml and .msg file types

Microsoft 365 Copilot will support uploading .eml and .msg email files starting late February to March 2026, enabling users to provide email context for prompts. This feature is automatic, requires no admin setup, affects all Copilot users, and has no new compliance concerns.
Read More • 17 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253746: Microsoft Entra: Passkeys in Microsoft registration campaigns

Starting April 2026, Microsoft Registration Campaigns will support Passkeys (FIDO2) as an additional authentication method, enabling phishing-resistant credentials. Eligible Microsoft 365 tenants can opt users into Passkey registration nudges during sign-in. Changes will roll out gradually, affec...
Read More • 17 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1253743: Action required: Secure Boot certificate updates for Windows 365 Cloud PCs before June 2026

Windows 365 Cloud PCs with Secure Boot enabled must update from 2011 to 2023 Secure Boot certificates before June 2026 to maintain protection and compatibility. PCs without Secure Boot are unaffected. Microsoft has released updates; ensure they are applied by the deadline.
Read More • 17 Mar 2026
Tophhie Cloud Automation
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