Dear M.L. Humphrey
Welcome to the Microsoft Community.
Hello, I apologize for the bad experience, is this the feature you are asking about?
You can see the top right corner of your mailbox, click on change mode to be able to make the function panel less compact.
attaching relevant screenshots for your issues would be immensely helpful.
Please share screenshot with hide personal and sensitive data.
• Note: Please understand that our initial reply may not always immediately resolve the issue. However, with your help and more detailed information, we can work together to find a solution.
Looking forward to your reply!
Best Regards,
Yolanda - MSFT | Microsoft Technical Support Community