Dear stanglass,
Welcome to Microsoft Community.
I understand that you keep seeing the “Try Draft with Copilot” prompt when you reply to emails on the Outlook.com web page and you want to turn it off.
I'd love to help you, but unfortunately this is not a promotional message, but a feature for the web version of Outlook, which is only available to Outlook accounts with a Microsoft 365 subscription, and there is no option in the web version of Outlook to turn this feature off.
Therefore, you should have subscribed to Microsoft 365. We recommend that you contact chat support to learn more about how to turn off Copilot.
- Open this link Contact Us - Microsoft Support.
- Select Microsoft 365. Select personal and families, input “Office” and click “Get Help”. When the results appear, scroll to the bottom of the page and select the Contact Support option.
- Select Microsoft 365 and Office.
- In Categories, you can select Technical Support and confirm it.
- Then select Chat with a support agent in a web browser.
TIPS: Please contact us during local working hours, CHAT does not work 24 hours a day.
The chat window is one-on-one with a human being, you can communicate with them in the form of chatting about the problems you encountered, and if necessary, you can ask the other party to remote, chat specialists are instantly answering your questions, dealing with the problem more efficiently.
Feel free to post back if you need further assistance.
Best Regards,
Jason.YA - MSFT | Microsoft Community Support Specialist