[Work in progress]| wiki.mozilla.org
Firefox stores your personal data and settings in a profile folder. Learn what information it contains and how to find your profile.| support.mozilla.org
Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date.| support.mozilla.org
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.| support.mozilla.org
Firefox stores your personal information and settings in a profile folder. Learn to work with different profiles on Firefox.| support.mozilla.org