Copilot

link - support.microsoft.com/en-gb/office/turn-off-copilot-in-microsoft-365-apps-bc7e530b-152d-4123-8e78-edc06f8b85f1 

Use Copilot

Enable Copilot - This will display a Copilot icon on the Home tab.
Show Copilot icon only for highly relevant suggestions -
Hide formula completion suggestions for -