New Outlook for Windows and Web: Outlook Newsletters – General Availability begins for Targeted Release

Outlook Newsletters, enabling users to create recurring internal email updates, moves to General Availability in mid-2025 with default opt-out activation. Admins can control access via Set-OwaMailboxPolicy cmdlet. Organizations should review policies and prepare support teams for this new communication feature. Outlook Newsletters is a new way for users to create and share recurring email updates with internal audiences using the familiar Outlook interface. After a successful public preview, this feature is moving to General Availability (GA) with a change in default behavior: starting at the end of July, 2025, it will now be enabled by default (opt-out). This update aims to increase discoverability and adoption of the feature, helping teams communicate more effectively across the organization. This message is associated with Microsoft 365 Roadmap ID 328282 Rollout Schedule Public Preview (Worldwide): Ending by late July 2025. General Availability (Targeted Release): Begins late July 2025; expected completion by early August 2025. General Availability (Worldwide): Begins mid-August 2025; expected completion by late August 2025. Impact on Your Organization Who is affected: All users of Outlook for the web and the new Outlook for Windows. Admins managing mailbox policies via PowerShell. What will happen: Users will see a new drop-down option to create newsletters from the New Mail button. A new navigation icon for Newsletters will appear in the left-side panel. The feature will be enabled by default (opt-out model). Admins can manage access using the Set-OwaMailboxPolicy PowerShell cmdlet. The OutlookNewslettersAccessLevel property will default to ReadWrite unless explicitly set. Action Required / Recommendations Review your organization’s OwaMailboxPolicy settings before August 2025. Use the Set-OwaMailboxPolicy cmdlet to configure OutlookNewslettersAccessLevel to one of the following: ReadWrite – users can create and read newsletters. ReadOnly – users can only read newsletters created by others. NoAccess – disables the feature entirely. Communicate this change to helpdesk and support teams to prepare for potential user questions. Update internal documentation if you reference Outlook capabilities. Learn more: Newsletters in Outlook (Preview) Compliance considerations Compliance Area Explanation Does the change provide a new way of communicating between users, tenants, or subscriptions? Outlook Newsletters introduces a new method for internal communication via […]

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