Hi Bill Lawley,
Welcome to our forum community. Thank you for posting here. We will do our best to provide you with the information you need. Based on your description you have installed new version of outlook on your computer.
May I know which outlook version are using please confirm from the link: What version of Outlook do I have? - Microsoft Support and which Microsoft subscription do you have?
In the meantime, could you kindly refer to this link on how to add and your account to both classic outlook and the New Outlook : Add an email account to Outlook for Windows - Microsoft Support
Could you please confirm the above questions. This will assist me in pinpointing the cause of the problem and offering a tailored solution.
Please note that our initial response might not resolve the issue right away. However, with your cooperation and more detailed information, we can work together to find a solution.
Sincerely
Albert |Community Moderator