Encryption and keys

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Proton Mail allows you to choose which kind of encryption keys to use for your accounts. Learn how to change your encryption keys.

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4. Encryption and keys

Key Transparency is an advanced blockchain-based security feature that lets you verify the integrity and authenticity of your Proton Mail contacts.

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4. Encryption and keys

You can use import your existing OpenPGP private key into Proton Mail and continue using it to encrypt and decrypt your emails.

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4. Encryption and keys

Learn how to download your encryption keys from Proton Mail to send PGP-encrypted emails to non-Proton Mail users or use another PGP client.

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4. Encryption and keys

Key import allows you to add existing PGP keys to one of your Proton Mail addresses or restore backed-up keys if you lose your password.

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4. Encryption and keys

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2. Proton Account
3. Security and privacy
4. Encryption and keys

To keep your messages safe, Proton Mail will not allow you to import weak keys or keys that have not been standardized for use with OpenPGP.

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4. Encryption and keys

Proton Mail private key is stored encrypted on your browser using your mailbox password. Learn more about your private key.