Backup, recovery, and sync

Recover data

Learn how to recover your lost data.

Firefox stores your personal data and settings in a profile folder. Learn how to back up and restore this important information.

Last updated: 7/30/25

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: 7/29/25

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