In the event that the passwords information is lost, you should record all information in a separate text file somewhere else on your hard drive, or written down. You can easily copy and paste if you need to do so. If you are concerned about someone else looking at that file, you can compress it using a password. ---------------- First, Type '''about:preferences#advanced'''<enter> in the address bar. Under '''Advanced, ''' Select '''Update. ''' v57+; Type '''about:preferences#general'''<enter> in the address bar. Select '''Update. ''' Check the settings. Also turn off '''Use a background service to install updates''' --------------- [https://support.mozilla.org/en-US/kb/install-older-version-of-firefox?cache=no Install Older Version Of Firefox] {web link} Be sure to read everything here. If you still want to downgrade, look under; '''I still want to downgrade. ''' Click the '''Directory of other versions and languages''' link. Look for the directory of the version that you want. But, remember that '''old versions may have security issues. ''' You should also check out [https://www.mozilla.org/en-US/firefox/organizations/ Firefox; Extended Support Release] {web link} [https://www.mozilla.org/en-US/firefox/organizations/notes/ ESR Notes] [https://www.mozilla.org/en-US/firefox/organizations/system-requirements/ System Requirements]

This '''Saved Password Editor''' extension? https://addons.mozilla.org/en-US/firefox/addon/saved-password-editor/ Not a "password manager" and the passwords are stored in standard Firefox files, nothing unique to that extension. IOW, your password data should be inside Firefox and be available for use.