Discover how Gmail keeps your account & emails encrypted, private and under your control with the largest secure email service in the world., To open Gmail, you can sign in from a computer or add your account to the Gmail app on your phone or tablet. Once you're signed in, open your inbox to check your mail., Set how you sign in to Google apps and services. You can choose to sign in with a password or add 2-Step Verification, which sends a security code to your phone as an , Not your computer? Use a private browsing window to sign in. Learn more about using Guest mode, Gmail is available on your computer, phone, watch or tablet, so you can stay connected when it matters most. Count on Google’s secure, resilient global infrastructure to keep the lights on all, Gmail is a mailbox provider by Google. It is the largest email service worldwide, with 1.8 billion users. [1] It is accessible via a web browser , mobile app, or through third-party email clients via the POP and IMAP protocols. Users can also connect non-Gmail e-mail accounts to their Gmail inbox..