Before you start, sign in to your Yahoo Mail account. Log in to your Classic Yahoo Mail account. Click on the Help gear icon at the top right corner of the Yahoo Mail screen. Select Settings from the menu that opens. Select Accounts from the left panel. Click on the Yahoo account that you want to access from Outlook.com.How do I sign in Yahoo?
Using a Desktop Computer Head to the Yahoo! website. Click “Sign in” at the top-right corner of the screen. Enter your Yahoo ID and password on the fields provided. Hit Enter on your keyboard to log in.