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have file of old firefox data on desktop, can I delete this?

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  • Letzte Antwort von cor-el

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Have folder of old firefox data on desktop...do I need to save this or can I delete it? My computer crashed at one point & may have created it then...don't remember why it's there. Just want to make sure it's ok to delete it

Have folder of old firefox data on desktop...do I need to save this or can I delete it? My computer crashed at one point & may have created it then...don't remember why it's there. Just want to make sure it's ok to delete it

Ausgewählte Lösung

Sounds that you have done a Refresh of Firefox and have created a new profile.

When you Refresh/Reset Firefox then a new profile is created and some personal data (bookmarks, history, cookies, passwords, form data) is automatically imported. The current profile folder will be moved to an "Old Firefox Data" folder on the desktop. Installed extensions and other customizations (toolbars, prefs) that you have made are lost and need to be redone.

It is possible to recover data from the "Old Firefox Data" folder on the desktop, but be cautious not to copy corrupted files to avoid carrying over problems.

If the new profile is working and you have confirmed that you have all data that you need then you can remove this folder.

You can copy files like these to your current Firefox profile folder.

  • bookmarks/history: backups in the bookmarkbackups folder and possibly places.sqlite if you really need the history
  • other SQLite files like cookies.sqlite (cookies) and formhistory.sqlite (saved form data)
  • logins.json and key3.db (decryption key) for Passwords saved in the Password Manager
  • permissions.sqlite and possibly content-prefs.sqlite for Permissions and Site Preferences
  • cert8.db for stored intermediate certificates (Certificate Manager)
  • sessionstore.js for open tabs and pinned tabs and tab groups
  • persdict.dat for words you added to the spelling checker dictionary

You can recover more personal data.

You can use this button to go to the current Firefox profile folder:

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Ausgewählte Lösung

Sounds that you have done a Refresh of Firefox and have created a new profile.

When you Refresh/Reset Firefox then a new profile is created and some personal data (bookmarks, history, cookies, passwords, form data) is automatically imported. The current profile folder will be moved to an "Old Firefox Data" folder on the desktop. Installed extensions and other customizations (toolbars, prefs) that you have made are lost and need to be redone.

It is possible to recover data from the "Old Firefox Data" folder on the desktop, but be cautious not to copy corrupted files to avoid carrying over problems.

If the new profile is working and you have confirmed that you have all data that you need then you can remove this folder.

You can copy files like these to your current Firefox profile folder.

  • bookmarks/history: backups in the bookmarkbackups folder and possibly places.sqlite if you really need the history
  • other SQLite files like cookies.sqlite (cookies) and formhistory.sqlite (saved form data)
  • logins.json and key3.db (decryption key) for Passwords saved in the Password Manager
  • permissions.sqlite and possibly content-prefs.sqlite for Permissions and Site Preferences
  • cert8.db for stored intermediate certificates (Certificate Manager)
  • sessionstore.js for open tabs and pinned tabs and tab groups
  • persdict.dat for words you added to the spelling checker dictionary

You can recover more personal data.

You can use this button to go to the current Firefox profile folder: