Backup, recovery, and sync

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.

Last updated: 10/19/25

If you need to create a new Firefox profile, learn how to recover your old Firefox data such as bookmarks, history and passwords.

Last updated: 10/20/25

If your bookmarks, passwords, preference settings and other data are missing, it may be available in another Firefox profile. Learn more.

Last updated: 11/21/22

Learn more about your important Firefox data within your profile such as bookmarks, history and passwords.

Last updated: 7/31/25

Learn how Firefox Backup helps restore your bookmarks, settings, and passwords on a new device.

Last updated: 3 days, 8 hours ago