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All my saved logins have disappeared

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My Firefox browser crashed so I had to re-install it but I have now lost my saved logins (passwords). I have the logins.json & Key3.db files, how do I restore them ?

My Firefox browser crashed so I had to re-install it but I have now lost my saved logins (passwords). I have the logins.json & Key3.db files, how do I restore them ?

Additional System Details

Installed Plug-ins

  • Adobe PDF Plug-In For Firefox and Netscape 15.17.20050
  • FortiClient SSLVPN CacheCleaner Firefox Plugin
  • FortiClient SSLVPN CacheCleanerEx Firefox Plugin
  • FortiClient SSLVPN Tunnel Service Firefox Plugin
  • Google Update
  • Intel web components for Intel® Identity Protection Technology
  • Intel web components updater - Installs and updates the Intel web components
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.101.2 for Mozilla browsers
  • The plugin allows you to have a better experience with Microsoft SharePoint
  • Shockwave Flash 23.0 r0
  • 5.1.50428.0

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0

More Information

FredMcD
  • Top 10 Contributor
4246 solutions 59404 answers

Did you get the logins.json & Key3.db files from another profile, or from the current? Are there other profiles in the user folder?

Look on your desktop. Do you see a folder called; Old Firefox?

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile

https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

Did you get the logins.json & Key3.db files from another profile, or from the current? Are there other profiles in the user folder? Look on your desktop. Do you see a folder called; '''Old Firefox?''' '''https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile''' '''https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles'''

Question owner

Yes I got logins.json & Key3.db from another (older) profile. I also had an even older profile that I tried as well but still no logins. I shoudn't really need to do this anyway because I have all the passwords sync'd to a couple of other Firefox browsers on other Pc's. But even though I log into my Firefox account with my email address and password the logins still do not appear even though all my bookmarks are there.

Yes I got logins.json & Key3.db from another (older) profile. I also had an even older profile that I tried as well but still no logins. I shoudn't really need to do this anyway because I have all the passwords sync'd to a couple of other Firefox browsers on other Pc's. But even though I log into my Firefox account with my email address and password the logins still do not appear even though all my bookmarks are there.
FredMcD
  • Top 10 Contributor
4246 solutions 59404 answers

Go to one of the other computers with a thumb drive and copy those files to the thumb.

These can't get your data back, but will help in the future.

These add-ons can be a great help by backing up and restoring Firefox

FEBE (Firefox Environment Backup Extension) {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backups of files that you choose.

OPIE {web link} Import/Export extension preferences

Go to one of the other computers with a thumb drive and copy those files to the thumb. These can't get your data back, but will help in the future. These add-ons can be a great help by backing up and restoring Firefox '''[https://addons.mozilla.org/en-US/firefox/addon/febe/ FEBE (Firefox Environment Backup Extension)]''' {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backups of files that you choose. '''[https://addons.mozilla.org/en-US/firefox/addon/opie/ OPIE]''' {web link} Import/Export extension preferences