Your personal data, such as settings and bookmarks will be saved by the browser you’re using in a folder called profile. If you have to use another computer or buy a new computer, you’ll need to transfer the profile folder to keep your data. This page will show you how to transfer Firefox profile to new computer step by step.

A web browser is necessary for you to search the internet (access the World Wide Web). While you’re searching for useful information or access certain web pages in a browser, you can bookmark some tabs you need and let the website remember your passwords. Also, you can follow the guide to add extensions if you’re required. Besides, you can change the settings to meet your browsing preferences.

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Transfer Firefox Profile to a New Computer

All these are called your personal data, which will be saved in a Profile folder. In this case, you are able to use the browser the way you like: you don't need to configure the browser again; you can access the sites you’ve collected directly.

But what if you need to run the browser on another computer? Or you need to replace your computer with a new one? You need to copy user profile Windows 10 to another computer. The following content will take Firefox as an example to show you the detailed steps to transfer Firefox profile.

Tip: You’d better back up the profile folder so that you won’t lose your personal data saved on the browser. However, if the profile is deleted somehow due to misoperation or crash, you should scan the drive that keeps it immediately by using the reliable MiniTool software.

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Step 1: Find Your Firefox Profile

The first step of Firefox profile migration is finding & copying the Firefox profile on your current computer. Where’s your Firefox profile? You can find out in 2 ways.

Method 1: Open from Firefox

  1. Run the Firefox browser.
  2. Click on the menu icon in the top right corner.
  3. Select Help and click More Troubleshooting Information.
  4. The Troubleshooting Information tab will appear.
  5. Look for the Profile Folder option under the Name column.
  6. Click on the Open Folder button.
  7. Click Profiles in the address bar of the opening window.

The storage path of the Profile folder is displayed after Open Folder, so you can follow it to open folder manually.

Open Profile Folder from Firefox

Method 2: Open through Run

  1. Make sure your Firefox browser is closed.
  2. Right click on the Start button or press Win + X.
  3. Select Run from the WinX menu. (What if WinX menu is not working?)
  4. Copy & paste (or type it manually) %appdata%\mozilla\firefox\profiles\ to the textbox after Open.
  5. Click on the OK button or press Enter.

Open Profile Folder via Run

Step 2: Copy & Paste the Profiles Folder

  1. Connect an external hard drive or USB drive to the current computer.
  2. Right click on the profile folder you want to copy. If you have only one, it will be named ********.default.
  3. Choose Copy.
  4. Open your external hard drive or USB drive.
  5. Right click on the blank space and select Paste.

You should then disconnect the external/USB drive from your current computer and move Firefox to new computer.

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Step 3: Transfer Firefox to New Computer

This step is all about starting to restore Firefox profile.

How to restore Firefox profile:

  1. Connect the external/USB drive to the new computer.
  2. Make sure the Firefox browser is closed completely.
  3. Right click on the profile folder you’ve copied in step 2.
  4. Select Copy.
  5. Find and open your Firefox Profiles folder as mentioned in step 1. Right click on the blank space.
  6. Select Paste.
  7. Wait for the operation to complete. If there’s a file with the same name in the target location, system will ask whether you'd like to replace it; please choose Replace.

Secure Connection Failed On Firefox: PR_CONNECT_RESET_ERROR.

What Are Included in Your Profile

  • Remembered passwords
  • Browser cookies
  • Personal preferences on the site
  • User-installed search engines
  • Installed extensions
  • Bookmarks, downloads and browsing history
  • DOM storage
  • Personal dictionary
  • Autocomplete history
  • Security device settings
  • Security certificate settings
  • Containers
  • Stored session
  • User preferences
  • Download actions
  • Toolbar customization
  • Linkedin
  • Reddit