Learn how to select what information (bookmarks, add-ons, browsing history and other data) to share across your devices with Firefox Sync.| support.mozilla.org
Different Firefox installations now use a separate profile to store your bookmarks, passwords and other settings. Learn more.| support.mozilla.org
Firefox stores your personal data and settings in a profile folder. Learn how to back up and restore this important information.| support.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
A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords.| 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