Proton Mail is a secure email application that provides end-to-end encryption for your communications, ensuring privacy and protection against unauthorized access. The app allows users to create @proton.me or @protonmail.com email addresses, send encrypted emails and attachments, and manage multiple accounts with ease.

With features like password-protected emails, dark mode, and advanced organization tools such as folders and labels, Proton Mail offers a comprehensive solution for managing your inbox while maintaining high-security standards. Its zero-access architecture and open-source cryptography make it an ideal choice for individuals who prioritize privacy in their digital communications.

Proton Mail stands out with its industry-leading security features, including end-to-end encryption and zero access to user data by the service provider. This ensures that only the sender and recipient can read the messages, providing unmatched protection against phishing, spam, and surveillance.

The app also supports migrating from other email services like Gmail or Outlook through Proton Easy Switch, allowing users to transfer their messages, calendars, and contacts seamlessly. Additionally, Gmail auto-forwarding enables funneling of important emails into your Proton Mail inbox while preserving convenience and adding privacy protection.

Other notable features include easy-to-use interface redesigns for better readability and organization, rigorous encryption protocols using AES, RSA, and OpenPGP, along with open-source cryptographic libraries vetted by global security experts. These ensure robust security without hidden backdoors.