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What if I'm locked out of Two-Step Authentication?
Disable two-step authentication or use a backup authentication code to regain access to your account if you've been locked out of two-step authentication login.
Access Mozilla services with a Mozilla account
Mozilla account is a safe and easy way to access Mozilla services on all your devices. Learn how to create an account and access services.
How do I set up Sync on my computer?
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.
Reset your Mozilla account password with Recovery Keys
Generate an account recovery key, so you can sign in to your Mozilla account to regain access to your synced data, in case you forget your password.