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.