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Upgrading to Windows 10 seems to have deleted ALL my stored passwords on Firefox accounts?

  • 3 vastust
  • 1 on selline probleem
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  • Viimati vastas Sig

Sig
Sig
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I have two Firefox accounts. One of them was logged in and saving all my logins and passwords like normal, all was good... Then I did a Windows 10 upgrade, and these passwords are nowhere to be found on either of my accounts. I thought that these were saved to the account not the computer??? I'm hoping to get these back, because there were a lot... :( Thanks for any advice.

I have two Firefox accounts. One of them was logged in and saving all my logins and passwords like normal, all was good... Then I did a Windows 10 upgrade, and these passwords are nowhere to be found on either of my accounts. I thought that these were saved to the account not the computer??? I'm hoping to get these back, because there were a lot... :( Thanks for any advice.

All Replies (3)

FredMcD
FredMcD
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All user data is stored in the Firefox profile in the users computer folder.

What about the rest of your profile? Settings, bookmarks, history, passwords . . . .

Look on your desktop. Do you see a folder called; Old Firefox? Look inside. Look for the folder with the latest creation date.

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

https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Hi Sig, sorry to hear about this problem.

For really major system changes, Windows may move your entire old user folder under a temporary folder:

C:\Windows.old

Can you find such a folder on your system?

If so:

Before proceeding, please set Windows to show you hidden files and folders: https://support.microsoft.com/en-us/help/14201/windows-show-hidden-files

Then check here:

C:\Windows.old\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\

You might just have one profile folder, or you might have more than one. Saved logins use a pair of files, and you can copy them to the Desktop to try in your currently live profile:

  • logins.json
  • key4.db
Sig
Sig Küsimuse esitaja
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jscher2000 said
Hi Sig, sorry to hear about this problem. For really major system changes, Windows may move your entire old user folder under a temporary folder: C:\Windows.old Can you find such a folder on your system? If so: Before proceeding, please set Windows to show you hidden files and folders: https://support.microsoft.com/en-us/help/14201/windows-show-hidden-files Then check here: C:\Windows.old\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\ You might just have one profile folder, or you might have more than one. Saved logins use a pair of files, and you can copy them to the Desktop to try in your currently live profile:
  • logins.json
  • key4.db

Sorry, I am not finding such a file and I think it may be because old info such as the old firefox files were stored on a hard drive I recently reformatted...