There are a few things you can do to change your default email address. You can change it on your computer, in your account settings, or even in the email client you use. If you’re using an email client, you can also change it from the menu bar or the main toolbar. If you’re using a computer, open the Control Panel and click on System and Security. Under Email and Message Accounts, click on Change Email Address. If you’re using a computer, open the Control Panel and click on System and Security. Under Email and Message Accounts, click on Change Email Address. If you’re using an email client, open the Preferences window for that client and select New Email Address. Enter a new email address into that window and click OK. If you’re not using an email client but want to set up an account with one later, follow these steps: