Download Firefox Systems and Languages What's New Privacy Backup, recovery, and sync Backup data From passwords to bookmarks, discover ways to back up your important data. ទាំងអស់ All articles and threads Backup data Sync data In English How do I set up Sync on my computer? Back up and restore information in Firefox profiles Export Firefox bookmarks to an HTML file to back up or transfer bookmarks Restore bookmarks from backup or move them to another computer How do I choose what information to sync on Firefox? Recovering important data from an old profile Sync Firefox data Export login data from Firefox Back up and transfer your Firefox data to a new device Back up your Firefox installation folder