1. In your Mailbutler sidebar, click the gear icon ⚙.
2. Choose Account & Preferences.

3. Under Account Settings, select Profile and input the new email address in the Account email address field.

4. Once you input the new email address, click the blue Update email address button.

Note:  The confirmation email will be sent to the new email address. If the confirmation email does not appear in your inbox, please check your spam or junk folder.

5. Go to your mailbox, open the Mailbutler confirmation email, and click the Confirm new email address button

You will be directed to this window, which indicates that your email has been successfully confirmed and changed.