Passwords are stored in two files in your Firefox profile folder (personal settings folder). These articles list which are the two critical files, and also how to locate your currently active profile folder on your systems. * [[Recovering important data from an old profile]] * [[Profiles - Where Firefox stores your bookmarks, passwords and other user data]] Please note that copying over the old files will replace any passwords you might have saved on the new system. Does that work? I haven't performed this operation myself, so if the files can't be found or the new system can't read them, please do post back so another volunteer can work through it step by step.

You can also use this extension on both computers: * Password Exporter: https://addons.mozilla.org/firefox/addon/password-exporter/