Use the Profile Manager to create and remove Firefox profiles

Firefox saves your personal information such as bookmarks, passwords, and user preferences in a set of files called your profile, which is stored in a separate location from the Firefox program files. You can have multiple Firefox profiles, each containing a separate set of user information. The Profile Manager allows you to create, remove, rename, and switch profiles.

Note: You normally don't need to create a new Firefox profile unless you are troubleshooting a specific problem with Firefox.

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Consider using it before going through a lengthy troubleshooting process.

The Refresh Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Consider using it before going through a lengthy troubleshooting process.

Starting the Profile Manager

Important: Before you can start the Profile Manager, Firefox must be completely closed.
  1. If Firefox is open, close Firefox:

    At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  2. Press Windows Key +R on the keyboard. A Run dialog will open.Click the Windows Start button and select Run....
  3. In the Run dialog box, type in:
    firefox.exe -P
    Note: You can use -P or -ProfileManager (either one should work).
  4. Click OK.
Note: If the Profile Manager window does not appear, you may need to specify the full path of the Firefox program, enclosed in quotes; for example:
  • On 32-bit Windows: "C:\Program Files\Mozilla Firefox\firefox.exe" -P
  • On 64-bit Windows: "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -P
  1. If Firefox is open, close Firefox:

    At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  2. Navigate to /Applications/Utilities.
  3. Open the Terminal application.
  4. In the Terminal application, enter the following:
    /Applications/Firefox.app/Contents/MacOS/firefox-bin -P
    Note: You can use -P or -ProfileManager (either one should work).
  5. Press Return.

If Firefox is already included in your Linux distribution or if you have installed Firefox with the package manager of your Linux distribution:

  1. If Firefox is open, close Firefox:

    At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  2. In Terminal run:
    firefox -P

Note: The P is capitalized. Alternatively, you can use -ProfileManager instead of -P.

Fx31Profilemgr
Fx30ProfileManager-Mac
Fx31ProfileManger-Lin

If the Profile Manager window does not open, Firefox may have been running in the background, even though it was not visible. Close all instances of Firefox or restart the computer and then try again.

Creating a profile

  1. To start the Create Profile Wizard, click Create Profile... in the Profile Manager.
  2. Click Next and enter the name of the profile. Use a profile name that is descriptive, such as your personal name. This name is not exposed on the Internet.
    6e2d77cd857fa24e876097c4af69a4a9-1260153527-579-1.png

    6e2d77cd857fa24e876097c4af69a4a9-1238101167-976-2.jpg
  3. You can also choose where to store the profile on your computer. To choose its storage location, click Choose Folder....
    Warning: If you choose your own folder location for the profile, select a new or empty folder. If you choose a folder that isn't empty and you later remove the profile and choose the "Delete Files" option, everything inside that folder will be deleted.
  4. To create the new profile, click FinishDone.

You will be taken back to the Profile Manager window where you can either start Firefox or exit the Profile Manager.

Note: If you want the Profile Manager to appear the next time you start Firefox, remove the checkmark from the box, "Use the selected profile without asking at startup". Otherwise, the selected profile will be used automatically.

Removing a profile

  1. In the Profile Manager, select the profile to remove, and click Delete Profile....
  2. Confirm that you wish to delete the profile:

    6e2d77cd857fa24e876097c4af69a4a9-1260152566-432-4.png


    6e2d77cd857fa24e876097c4af69a4a9-1238101167-976-3.jpg
    • Don't Delete Files removes the profile from the Profile Manager yet retains the profile data files on your computer in the storage folder, so that your information is not lost. "Don't Delete Files" is the preferred option because it saves the old profile's folder and allows you to recover the files to a new profile.
    • Delete Files removes the profile and its files, including the profile bookmarks, settings, passwords, etc.
      Warning: If you use the "Delete Files" option, the profile folder and files will be deleted. This action cannot be undone.
    • Cancel interrupts the profile deletion.

Renaming a profile

  1. In the Profile Manager, select the profile to rename, and then click Rename Profile....
  2. Enter the new name for the profile. Type in the new profile name, and click on OK.
    • Note: The folder containing the files for the profile is not renamed.

Options

Work Offline

Choosing this option loads the selected profile and starts Firefox without connecting to the Internet. You can view previously viewed web pages and experiment with your profile.

Use the selected profile without asking at startup

When you have multiple profiles, this option tells Firefox what to do at startup:

  • If you check this option, Firefox will automatically load the selected profile at startup. To access other profiles, you must start the Profile Manager first.
  • If you uncheck this option, Firefox will show you the Profile Manager each time you start Firefox, so that you can select a profile to use.

Moving a profile

To copy all of your Firefox data and settings to another Firefox installation (e.g. when you get a new computer), you need to make a backup of your Firefox profile, then restore it in your new location.

Recovering information from an old profile

If you have important information from an old Firefox profile, such as bookmarks, passwords, or user preferences, you can transfer that information to a new Firefox profile by copying the associated files.


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