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 multiple email accounts to the app, whether they're Microsoft accounts or from other providers such as Gmail or iCloud. If you use more than one email account and the app ...

Microsoft recently made Outlook for Mac free, a move sure to encourage adoption. Here's how to customize the app’s email views.

To determine the root of an email-based problem like this is first to log into your webmail account. Keep in mind Outlook serves merely as a tool.