These steps are the same whether you’re adding your first email account or additional email accounts to Outlook.
Add an email account:
- Select File > Add Account.

2. What you see next depends on your version of Outlook.
For Outlook for Microsoft 365 and Outlook 2016:

Enter your email address and click Connect.
For Outlook 2013 and Outlook 2010:

Enter your name, email address, and password, and click Next.
3. If prompted, enter your password again, then select OK > Finish to start using your email account in Outlook.