If you cannot add an account in the new Outlook in Windows 11/10, enable the account for New Outlook, clear the local Outlook state, etc.

Outlook allows you to add other accounts from different mail providers. You can add your Gmail, Yahoo, GoDaddy, and other POP email accounts in Outlook – this allows you to access many accounts ...

Microsoft Outlook is finally adding support for Gmail accounts, which will make the platform much more versatile.

How to export Yahoo email The Outlook email client on Windows offers the easiest way to export your Yahoo emails. It supports Gmail, iCloud, Yahoo email services, and IMAP accounts.