Using New Outlook on Windows for professional communication and productivity
Maybe I have a hint for the problem reason. I have several email accounts in Outlook. 2 exchange accounts and the others are IMAP.
For one exchange account I have a 2 faktor authentification. When I don't login to this account during Outlook (new) startup, I can't open the settings. Once I logged in this special account and then restart the new outlook and can access the inbox, then the settings page is opening without problems