These steps are the same whether you're adding your first email account or additional email accounts to Outlook.
- Select File > Add Account.
What you see next depends on your version of Outlook.
For Outlook for Microsoft 365 and Outlook 2016
For Outlook 2013 and Outlook 2010
On this screen, enter your email address, select Advanced options, then check the box for Let me set up my account manually and select Connect.
Select your account type. Most of the time when you need to use this option, you'll select IMAP.
Ensure Account settings screen be populated with these account settings you need.
- Username: Your full email address. e.g. firstname.lastname@example.org
- Incoming / Outgoing mail server: mail.yourdomain.ext
- "My outoing server (SMTP) requires authentication" this settings must be checked or you may not be able to send email successfully.
Enter your password and then select Connect.