Summary:
Microsoft Teams will include message previews in notifications for channels, mentions, and reactions.
Users can disable message previews via notification settings on Windows, Mac, and the web.
No changes will occur to existing admin policies or require any updates from administrators.
All users of Microsoft Teams on desktop and web platforms will be affected by this enhancement.
Consider informing users about the update and how to manage their notification settings.
Admin Impact
Low
User Impact
Low
Release Start
15 Jan 2026
Release End
15 Jan 2026
Services
Teams
Category: Stay informed
Tags
New Feature
User Adoption
History
Date Description
12/3/2025 Item Added to Message Center
Microsoft Message
Introduction
Microsoft Teams is improving the notification experience by adding message previews to more types of notifications, including channels, mentions, and reactions. This enhancement helps users quickly assess the importance of a notification without switching context, prioritize responses more effectively, and enjoy a consistent experience across platforms.
This message applies to Teams for Windows desktop, Teams for Mac desktop and Teams for the web.
Screenshot: @mention notification with message preview
user settings
When this will happen:
Targeted Release (Worldwide): Rollout begins mid-December 2025; expected to complete by mid-December 2025
General Availability (Worldwide): Rollout begins mid-January 2026; expected to complete by mid-January 2026
General Availability (GCC, GCC High, DoD): Rollout begins mid-January 2026; expected to complete by late January 2026
How this affects your organization:
Who is affected: All users of Microsoft Teams on Windows and Mac desktop clients and Teams on the web.
What will happen:
Notifications for channels, mentions, and reactions will include a message preview, unless the message preview is disabled by users.
Users can disable previews:
On Windows and Web: via Teams Notification Settings.
On Mac: via OS Notification Settings.
No changes to existing admin policies; no policy updates required.
What you can do to prepare:
No admin action is required; the feature will be available automatically once users update to the supported Teams client build.
Consider notifying your users about this update and how they can manage notification settings.
Compliance considerations:
No compliance considerations identified; review as appropriate for your organization.