The interface of Search Box in Outlook is being upgraded, making it more prominent and discoverable, with higher color contrast on the input area, border, and font, along with fine tunes on all themes, as well as light and dark modes.
This message is associated with Microsoft 365 Roadmap ID 151024
[When this will happen:]
We will begin rolling out in early September and expect to complete rollout by late September.
[How this will affect your organization:]
Users will have a slightly new Search Box interface.
[What you need to do to prepare:]
No action is needed in preparation for the update.
