If you have added more than one email account, you will likely find it useful to set your default email account so that emails are being sent from the account you’d like to send them to by default, and since this setup is using the Mail app you likely want to be sure that the default email app is set to Mail on the computer too. The Mail app for Mac will auto-detect settings and configure the email account to use on the Mac. That’s it, your new email account will be added to Mail on the Mac and configured to use. Input your name, email address, and the password to the email address and sign-in.Select the email service you want to add a new email account for from the list, if the email account service is not listed choose “Add other Mail Account”.Pull down the “Mail” menu and choose “Add Account”.

This will add a new email account to Mail app, the default email client in Mac OS: Configuration is the same on virtually every vaguely new release of Mac system software, whether it’s macOS or Mac OS X. Technically you can add many email accounts to the Mail app if you want to, there is no small limitation on the number of accounts that can be configured within the app. You can use this to add another email account to Mail on Mac, setup a new email account, or even add a fresh email account that has never been used before.

This guide will walk through the process of adding an email account to the Mac so that it can be checked, managed, and used from the Mail app.

Mac mail multiple accounts