bummer. Hmmm

So you have the gmail address in proseries under firm info and preparer, etc?

Here are the steps from windows for setting up gmail in Outlook 365 and looks like the steps I did
https://support.microsoft.com/en-us/office/set-up-gmail-accounts-46274497-95ea-4a7d-9651-d246aa63eb5...

Maybe delete any other accounts in outlook so there is only the gmail one?