Backup, recovery, and sync
Sync your data across different platforms and devices, backup what’s important, and recover it if it’s lost.
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.
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Back up and restore information in Firefox profiles
Firefox stores your personal data and settings in a profile folder. Learn how to back up and restore this important information.
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Restore bookmarks from backup or move them to another computer
Learn how to restore your bookmarks from the automatic backups that Firefox creates, save and restore your own backups, and move bookmarks to another computer.
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Switch from Chrome to Firefox
Firefox can automatically move bookmarks, passwords, history and other preferences from Chrome without deleting it or interfering with any of its settings.
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Diagnose Firefox issues using Troubleshoot Mode
Use Firefox Troubleshoot Mode (known as Safe Mode in previous versions of Firefox) to diagnose and fix problems. Learn more.
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Export login data from Firefox
The Firefox password management feature allows you to export saved username and password data to a file. Learn more.
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Recover important data from an old profile
If you need to create a new Firefox profile, learn how to recover your old Firefox data such as bookmarks, history and passwords.
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Recover user data missing after Firefox update
If your bookmarks, passwords, preference settings and other data are missing, it may be available in another Firefox profile. Learn more.
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I've lost my Firefox Sync account information - What to do
This article explains what to do if you forget or lose your Mozilla account password and can't access your Sync account.
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Export Firefox bookmarks to an HTML file to back up or transfer bookmarks
This article explains how to export your bookmarks to an HTML file, which can be used as a backup or for importing into another web browser.
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