Are you referring to Microsoft Editor (https://www.microsoft.com/en-us/microsoft-365/microsoft-editor https://www.microsoft.com/en-us/microsoft-365/microsoft-ed

Are you referring to Microsoft Editor (https://www.microsoft.com/en-us/microsoft-365/microsoft-editor https://www.microsoft.com/en-us/microsoft-365/microsoft-edit...)? It appears to be an interesting tool - includes tone, spelling, and grammar suggestions. I have yet to try it myself.