This article describes the location of the profile folder: [[Profiles - Where Firefox stores your bookmarks, passwords and other user data]] Assuming you previously used Firefox on Windows Vista or later, and if your SSD is the "E" drive currently, it's under: E:\Users\''username''\AppData\Roaming\Mozilla\Firefox\Profiles Note that AppData is a hidden folder, so this might be helpful: http://windows.microsoft.com/en-us/windows/show-hidden-files Possibly helpful: [[Recovering important data from an old profile]]