Download Firefox Systems and Languages Novetats Privacy Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Back up your data Use Firefox Sync to backup and transfer your data. Tot All articles and threads Bookmarks Profile Sync Fer una còpia de seguretat de la vostra informació In English Back up and transfer your Firefox data to a new device 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? Export login data from Firefox Recovering important data from an old profile Sync Firefox data How do I set up Sync on my computer?