Two factor authentication (2FA)

1. Support
2. Proton Account
3. Passwords and authentication
4. Two factor authentication (2FA)

Learn how to protect yourself with two-factor authentication (2FA) — an additional layer of security for your Proton Account.

1. Support
2. Proton Account
3. Passwords and authentication
4. Two factor authentication (2FA)

You can use a U2A or FIDO2 security key to secure your Proton Account with two-factor authentication (2FA).

1. Support
2. Proton Account
3. Passwords and authentication
4. Two factor authentication (2FA)

How to recover your Proton account if you’ve lost or no longer have access to your 2FA device.

1. Support
2. Proton Account
3. Passwords and authentication
4. Two factor authentication (2FA)

In most cases, 2FA fails because the time on each device is not synchronized. For 2FA to function properly, the date and time on the device on which you are logging in to Proton Mail must be exactly the same as those of the device where you receive your 2FA code.