MC225329 – We have updated the post for additional clarity. Thank you for your patience.
We are updating the default and dark theme colors in Teams on web, Windows, and Mac and will also update Fluent icons to align other Microsoft 365 applications.
Key points
How this will affect your organization
When your users access Teams on the web, the default and dark themes will be updated as well as the icons for all themes.
Microsoft uses the Fluent design system to ensure a cohesive and accessible design for all Microsoft products and users. Most changes are subtle, such as:
Current design
Updated design
What you need to do to prepare
You might want to notify your users about this change.
Previous Microsoft Teams Changelog Messages
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