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  1. How do i recover my passwords using key3.db - Mozilla Support

    Jan 14, 2017 · You need a key3.db file that matches the logins.json file to be able to decrypt its content. Both logins.json and key3.db need to be placed in the Firefox profile folder while …

  2. Where can I find my key3.db - Mozilla Support

    Mar 13, 2025 · You do not need key3.db/key4.db files to work with bookmarks. Bookmarks are stored in the places.sqlite database file, and the daily automatic backups are stored in the …

  3. Where have my logins gone? - Mozilla Support

    Aug 2, 2020 · The key4.db (previously key3.db) is the key file that stores the encryption key and the additional master password. The actual logins are stored in logins.json and the two files …

  4. Key3.db and signons.sqlite are breaking Firefox. - Mozilla Support

    Mar 4, 2013 · After uninstalling, reinstalling, rebooting, and all the usual mess, I started looking at the profile, and seem to have narrowed the problem down to key3.db and signons.sqlite, or …

  5. How to restore passwords from key3.db? And how does …

    May 8, 2015 · The key3.db file store the encryption key that is used for encrypting and decrypting the passwords. The encrypted names and passwords are stored in the logins.json file.

  6. Passwords from previous versions - Mozilla Support

    Support for key3.db ended with Firefox 73 and newer (i.e. Firefox 72.0.2 is the last version that supported key3.db) and thus 73+ versions can't be used to migrate logins.json and key3.db to …

  7. Thunderbird isn't actually saving my password even though I keep ...

    Oct 30, 2016 · Scroll down - locate and delete this file: key3.db Close window - top right X Restart Thunderbird. At the prompt to enter password, enter password and select the "Use Password …

  8. How can i import my old passwords from signons3.txt, key3, and …

    Sep 23, 2015 · How can i import my old passwords from signons3.txt, key3, and signons.sqlite files to the new firefox 41.0?

  9. Where can I find my key3.db ? | Firefox-Hilfeforum | Mozilla-Hilfe

    Mar 13, 2025 · You do not need key3.db/key4.db files to work with bookmarks. Bookmarks are stored in the places.sqlite database file, and the daily automatic backups are stored in the …

  10. Missing Key3.DB file in profile folder - Mozilla Support

    Jul 2, 2021 · Missing Key3.DB file in profile folder 2 replies 1 has this problem 39 views Last reply by raymondb2 3 years ago