Download Firefox Systems and Languages What's New 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. Сите All articles and threads Bookmarks Profile Sync 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 Back up and restore information in Firefox profiles Restore bookmarks from backup or move them to another computer How do I set up Sync on my computer? Recovering important data from an old profile Export login data from Firefox Sync Firefox data How do I choose what information to sync on Firefox?