How Do I Import Old Data into Firefox?
Copying files between profile folders
  1. Open your profile folder:
  2. Click the Firefox menu and select Exit.
  3. Right-clickHold down the control key while you click on a file you want to copy and choose Copy.
  4. Open the new Firefox profile folder.

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Furthermore, what do I do with my old Firefox data folder?

An "Old Firefox Data" folder on the desktop is created when you reset Firefox. You should be able to copy selected data from this folder to the current Firefox profile folder. For the bookmarks you would need to places. sqlite file or possibly restore the bookmarks from a JSON backup in the bookmarkbackups folder.

Also Know, how do I transfer my Firefox data to a new computer?

  1. Launch Run Utility. The very first step is to close Mozilla Firefox.
  2. Open Firefox Profile Folder. In the bar, type “%APPDATA%MozillaFirefoxProfiles”.
  3. Transfer Folder.
  4. Launch Run Utility.
  5. Open Firefox Profile File.
  6. Overwrite Firefox Profile.
  7. Open Firefox Profile Manager.
  8. Launch File Explorer.

Correspondingly, how do I import bookmarks from old Firefox data?

Click Bookmarks and then click the Show All Bookmarks bar at the bottom. Import and Backup button and then select Restore. Select the backup from which you want to restore: The dated entries are automatic backups.

Should I keep old Firefox data files?

That will cause the "Old Firefox Data" folder to appear on the desktop. The "Old firefox Data" basically is old Firefox data, as the name implies. You don't need it, but you can use it as a back up if you wish, although it is very unlikely that you will need or want it.

Related Question Answers

Where is Firefox data stored?

Windows hides the AppData folder by default but you can find your profile folder as follows:
  • Press. +R on the keyboard.
  • Type in: %APPDATA%MozillaFirefoxProfiles
  • Click OK. A window will open containing profile folders.
  • Double-click the profile folder you wish to open.

How do I delete all data from Firefox?

In the Control Panel window, click the Uninstall a program link under the Programs section. From the list of currently installed programs, select Mozilla Firefox. To begin the uninstall, click the Uninstall button at the top of the list. In the Mozilla Firefox Uninstall Wizard that opens, click Next.
Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.