Thanks for the input. I wouldn't hold my breath though... they been feeding me the same line for issues I've been having since 2015. My main issue was with Yahoo and Microsoft's cat and mouse game, since Yahoo wants everyone to use their app or webmail, so they can serve up ads. The interesting thing is that every 3rd party client I've tried, has handled Yahoo emails just fine. I didn't use them for various and different reasons. At one point, MS tried to blame me for a configuration error. That was right after I had purchased a brand new Surface Book 2, and I had the same exact issues as the other three systems I had that were running windows10/11 and mail.
No matter, I purchased MailBird today, and have officially left Microsoft's sad attempt at email in my rear view mirror.