Select your picture/name in the top right corner and select 'View Microsoft Account'.Go to your Hotmail/Outlook account in a web browser.In case you don't trust the previous link, the whole way to get to the page on Option A is: Select the email account (Hotmail/outlook) and in the field 'Password' paste the password that you copied in step 3ī.Go to the Mail app a select 'Mail > Accounts.' from the menu.Under 'App passwords' section, select 'create password' and copy it.Enter your Microsoft email address and password (if prompted).If you have Two-step verification enabled most probably this is the reason why isn't working, Mac Mail app doesn't handle well this feature.