Microsoft will add a Copilot button above the ribbon in Classic Outlook for licensed Microsoft 365 users from late August. The change aligns Outlook with other Office apps while raising fresh questions for administrators managing the interface.
Microsoft will add a redesigned Copilot button above the ribbon in Classic Outlook from late August, giving licensed Microsoft 365 users a more visible way to open the assistant.

Microsoft says the rollout will make Copilot look consistent across Microsoft 365. Word, Excel and PowerPoint already place Copilot above the ribbon, and Classic Outlook will soon follow the same pattern.
Users with Microsoft 365 Copilot licenses will receive the update by default. Administrators can review Microsoft’s Microsoft 365 roadmap and prepare support teams for questions about the new control.
A new entry point for the existing assistant
The redesigned button will open Outlook’s existing Copilot side pane. Microsoft will keep the pane in place, so the update changes access to the assistant rather than adding a second Copilot system.
Copilot can summarize messages, help compose replies and suggest actions based on the task in front of the user. Microsoft presents the new button as part of a single interface across its productivity apps.
The placement matters for users who objected to Copilot controls floating over their documents or messages. Outlook’s new button will sit above the ribbon, leaving the message area clear while making the assistant easier to find.
Microsoft faced pushback after it placed a floating Copilot button in Word, Excel and PowerPoint. The company later gave users a way to move that control into the ribbon. Classic Outlook’s design avoids the overlap that caused those complaints, though users who want a quieter interface may still ask administrators for a setting to hide it.
What administrators should check
The rollout will affect organizations that assign Microsoft 365 Copilot licenses to Classic Outlook users. Administrators should check their tenant’s update policies, confirm which users hold Copilot licenses and decide whether support documentation needs a new screenshot or instruction.
Microsoft has not described a separate performance cost for the redesigned control. The feature uses the existing Copilot experience, so organizations should focus on licensing, interface guidance and rollout timing.
The default rollout also gives administrators less room to treat the button as an optional interface experiment. Teams that want to limit Copilot use will need to review Microsoft’s tenant controls and licensing configuration before the August deployment.
Classic Outlook remains in service
The interface change does not signal an end to Classic Outlook. Microsoft says existing installations will receive support until at least 2029, while the company has pushed the opt-out phase for migration to new Outlook to 2027.
That timetable leaves organizations managing two Outlook clients for several years. The Copilot redesign adds another point of consistency between the clients, yet it also gives administrators one more interface change to explain during the transition.
For users who rely on Classic Outlook, the result is straightforward: Copilot will become easier to summon from the top of the window. The assistant will remain optional in day-to-day use, while the button itself will arrive as part of the default Microsoft 365 experience.

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