Well, that's not really the idea behind the feature. If you want that, you should work with different Firefox Profiles: https://support.mozilla.org/en-US/kb/pro

Well, that's not really the idea behind the feature. If you want that, you should work with different Firefox Profiles: https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles https://support.mozilla.org/en-US/kb/profile-manager-create-...