Gmail is an email service developed by Google. In order to get the most out of this email client, learn how to set up your account according to your needs. Once you've signed in, you’ll discover the interface and will be able to update your profile, configure language and input settings, as well as log out and remove your account. To optimize your experience, you can customize your email display and configure your inbox. And learn how to open messages and mark emails as unread. If you have more than one email address; you’ll see how to add and manage multiple accounts.