Cannot re-create new profile for Classic Outlook (2021) for Gmail account previously configured

Cannot re-create new profile for Classic Outlook (2021) for Gmail account previously configured

I have a problem with Outlook Classic 2021. I had it configured for POP3 and everything was fine. I then had a problem with my Android phone, had to do a factory refresh on the phone, turn off MFA for Google/GMAIL account, and then turn it back on. After that Classic Outlook 2021 could no longer log on to GMAIL/POP3 email address removed for privacy reasons.

I deleted the Outlook 2021 profile and tried to recreate it and it fails trying to connect to the Gmail  account; it fails with

We couldn't log on to the incoming (IMAP) server. Please check your email address and password and try again.

It appears there is some remnant of the old profile/configuration for email address removed for privacy reasons left. I was able to configure Outlook Classic for another Gmail account, email address removed for privacy reasons, in Classic Outlook without issue and I was able to configure New Outlook on the same machine with the account that fails, email address removed for privacy reasons, in Classic Outlook; the problem is isolated to Classic Outlook and email address removed for privacy reasons.

Machine is Windows 11 Pro with MS Office 2021, updates are current

Any ideas