― FEBE allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files. so that you can easily synchronize your office and home browsers. ∙ FEBE backs up and restores your extensions, themes, and (optionally) your bookmarks, preferences, cookies. and much more.A "Full profile" backup includes everything contained in your Firefox [...].