Proton Mail is based in Switzerland and uses advanced encryption to keep your data safe. Apps available for Android, iOS, and desktop devices.

Download Proton Mail, Proton Calendar, Proton VPN, and Proton Drive for your device (Android, iOS, Windows, macOS, or Linux).

Proton Mail[a][b] is a Swiss [8] end-to-end encrypted email service launched in 2014. It is owned by the non-profit Proton Foundation through its subsidiary Proton AG, which also operates …

Sign in to your Proton Account to access all encrypted Proton services such as Proton Mail, Drive, Calendar, and more. Don't have an account? Create one for FREE.

Nov 20, 2025 · Get end-to-end encrypted email that's private by default. Install Proton Mail on your device to get started.

Sign in to I-PROTON to access exclusive features and services for Proton users.

Proton Mail's all-new encrypted email app protects your communications and has everything you need to easily manage your inbox. The Wall Street Journal says: “Proton Mail offers encrypted …

Jan 9, 2025 · Here, the mail is encrypted using a ProtonMail public encryption key explicitly tied to that user. In other words, the user is the only one who can decrypt the message.

Apr 30, 2025 · What Proton Mail is, its mobile version, and how it's used for secure personal and business communication with end-to-end encryption.

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.