Microsoft Teams: Clearer text highlighting in dark mode and high contrast mode
Versions captured by this deployment. Earlier versions and notices may be missing; first observed is not first published.
Rollout
- Ends
- 14 Dec 2026
- Roadmap
- 566858
- Platforms
- Desktop, Mac, TeamsAndSurfaceDevices, Web
Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".
- Microsoft's start date
- 26 Aug 2026
- Last changed by Microsoft
- 26 Aug 2026
- First seen here
- 19 Oct 2026
- Versions seen
- 1
What the notice says
Microsoft's text, with its sections, lists and tables; source markup removedWhat and why
Microsoft is improving the appearance of highlighted text while users compose messages in dark mode and high contrast mode. This update provides a more consistent and accessible editing experience by improving the visual presentation of highlighted content across supported themes.
Rollout schedule
- Targeted Release (Worldwide): Rollout will begin in mid-September 2026 and is expected to be complete by late September 2026.
- General Availability (Worldwide, GCC, GCC High, DoD): Rollout will begin in late September 2026 and is expected to be complete by early October 2026.
Impact on your organization
Who is affected
- Users who compose messages using dark mode or high contrast mode.
Platforms and services
- Microsoft 365 message-composition experiences that support text highlighting.
After this update:
- Highlighted text will display more consistently in dark mode and high contrast mode.
- Users may notice improved readability and a more uniform editing experience when working with highlighted content.
- This is a visual enhancement only. It does not change existing text-highlighting functionality or user workflows.
Action required / Recommendations
No action is required. You may want to inform users about this visual improvement if your organization communicates Microsoft 365 experience updates to end users.
Compliance Considerations
No compliance considerations identified, review as appropriate for your organization.
What changed
Between the versions this installation saw, newest firstThis installation has seen one version of this notice, first on 19 Oct 2026. Later changes will show here.
Linked documentation
Microsoft pages the notice links toThe notice links to no Microsoft Learn or Support page that this installation reads.
Not confirmed here
What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
- Versions before 19 Oct 2026: this installation first saw the notice after Microsoft posted it.