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Just did a factory reset on my computer and can't access my old firefox account.

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  • Last reply by Froggy_D

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Seems like when I tried logging in to my old account with a password reset, I somehow created a second account with the same email.

All my bookmarks and extension set ups seem to be gone.

Never had this issue, and have been using the same firefox account for like 5 years.

Seems like when I tried logging in to my old account with a password reset, I somehow created a second account with the same email. All my bookmarks and extension set ups seem to be gone. Never had this issue, and have been using the same firefox account for like 5 years.

Chosen solution

Sure if you have a backup from before that factory reset that includes the Firefox profile folder.


You can copy certain files with Firefox closed from a profile folder backup to the current profile folder to recover your personal data. Note that best is to avoid restoring a full profile folder and only restore important files that are safe to restore/transfer.


  • bookmarks and history: places.sqlite
  • favicons: favicons.sqlite
  • bookmark backups: compressed .jsonlz4 JSON backups in the bookmarkbackups folder
  • cookies.sqlite for the Cookies
  • formhistory.sqlite for saved autocomplete Form Data
  • logins.json (encrypted logins) and key4.db (encryption key/primary password) for logins saved in the Password Manager
  • cert9.db for certificates stored in the Certificate Manager
  • persdict.dat for words added to the spell checker dictionary
  • permissions.sqlite for Permissions and possibly content-prefs.sqlite for other website specific data (Site Preferences)
  • sessionstore.jsonlz4 for open tabs and pinned tabs (see also the sessionstore-backups folder)
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I can access the email account that the login was associated with. I did a PW reset because I forgot it. Is there a next step?

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Hi

If you used the lost password option, it will delete data that is in transit between copies of Firefox.

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Resetting the password for the Firefox Account because you do not remember the password will remove all data stored on the Sync server because this password is used to encrypt your data before it is uploaded to the Sync server and only this password or a possible recovery key can decrypt this data.

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Would it be possible to restore the bookmarks from a time machine backup?

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Chosen Solution

Sure if you have a backup from before that factory reset that includes the Firefox profile folder.


You can copy certain files with Firefox closed from a profile folder backup to the current profile folder to recover your personal data. Note that best is to avoid restoring a full profile folder and only restore important files that are safe to restore/transfer.


  • bookmarks and history: places.sqlite
  • favicons: favicons.sqlite
  • bookmark backups: compressed .jsonlz4 JSON backups in the bookmarkbackups folder
  • cookies.sqlite for the Cookies
  • formhistory.sqlite for saved autocomplete Form Data
  • logins.json (encrypted logins) and key4.db (encryption key/primary password) for logins saved in the Password Manager
  • cert9.db for certificates stored in the Certificate Manager
  • persdict.dat for words added to the spell checker dictionary
  • permissions.sqlite for Permissions and possibly content-prefs.sqlite for other website specific data (Site Preferences)
  • sessionstore.jsonlz4 for open tabs and pinned tabs (see also the sessionstore-backups folder)
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This worked, Thanks a ton. You mentioned a recovery key in your previous post. Can I make this to basically back up my bookmarks and load this faster if it ever happens again?

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Keep in mind that Sync isn't designed to be used as a backup, but merely is meant to sync

Best is always to backup your personal data yourself locally instead of relying on Sync.

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Appreciate the assistance