This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Restoring logins and passwords

  • 2 replies
  • 1 has this problem
  • 4 views
  • Last reply by Vagulus

Vagulus
Vagulus
more options

I have logins.json, logins-backup.json and key4.db files. How do I use these to restore the data in Firefox 111.0.0 (64-bit)?

I have logins.json, logins-backup.json and key4.db files. How do I use these to restore the data in Firefox 111.0.0 (64-bit)?

All Replies (2)

Terry
Terry
more options

You can copy those files and others from the old profile to the new, with Firefox closed.

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data#w_what-information-is-stored-in-my-profile https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data#w_finding-your-profile-without-opening-firefox

There is also the method described in the link below.

https://support.mozilla.org/en-US/questions/1322197#answer-1384732

Vagulus
Vagulus Question owner
more options

Thanks Terry.