Secure Sockets Layer (SSL) is an encryption technology that helps improve the security of your account. To be able to edit the port number that follows the server address, select this check box. For example, if your email provider is, the incoming mail server is likely. The incoming mail server for an IMAP account may also be called the IMAP server. This is the password you'll use to access your account. Type your complete email address, such as nameĭepending on your email provider, this is usually either your full email address or the part of your email address before the symbol. This is how your name appears in the From field of email messages you send. If you have more than one account, choose descriptive names so you can better differentiate between your accounts. This is how your account is labeled in Outlook. Lessįor steps on how to use these settings to set up an initial IMAP account or to add more accounts in the Outlook for Mac Accounts box, see Add an email account to Outlook. Outlook for Microsoft 365 for Mac Outlook 2021 for Mac Outlook 2019 for Mac Outlook 2016 for Mac Office for business Office 365 Small Business More.