Using New Outlook on Windows for personal email, calendar, and contact management
POTENTIAL SOLUTION: I had deleted and readded my non-functional gmail from Windows Outlook to no avail. Only removed it fr om windows not all devices. This morning had a minor epiphany. Another Gmail account had also gone inactive. I deleted the two offending Gmaill accounts from ALL ACCOUNTS and re-added them. Both are now functioning normally. Peroson Opinion is that in order to fix the problem the info that Outlook stores in the cloud had to be removed.
Thank you, Jerry! Worked for me and before MS could even provide an option. All the emails are eventually syncing in both Gmail accounts inbox and sub-folders.