If you use the Delete Files option, the profile folder and files will be deleted. Delete Files removes the profile and its files (including the profile bookmarks, settings, passwords, etc.).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. 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.Confirm that you wish to delete the profile:.Select the profile to remove and click Delete Profile… in the Choose User Profile window, or click the Remove button in the About Profiles page under the name of the profile you wish to delete.You can remove an existing profile as follows: When you first start Firefox with the new profile, you will be prompted to sign in to your Firefox Account so that you can sync your data with the new profile (see below). You will be taken back to the Choose User Profile window or the About Profiles page and the new profile will be listed. To create the new profile, click Finish Done.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. Warning: If you choose your own folder location for the profile, select a new or empty folder. Disregard the Choose Folder prompt unless you wish to choose where to store the profile on your computer.This name is not exposed on the Internet. Use a profile name that is descriptive, such as your personal name.

Click Next and enter the name of the profile.Click the Create Profile… button in the Choose User Profile window, or click the Create a New Profile button in the About Profiles page, to start the Create Profile Wizard.You can create, remove or rename a profile either from the Choose User Profile window when Firefox is closed or from the About Profiles page when Firefox is open, as follows: Close all instances of Firefox or restart the computer and then try again. If the Profile Manager window still does not open, Firefox may have been running in the background, even though it was not visible. The Firefox Profile Manager (Choose User Profile) window should open. Alternatively, you can use -ProfileManager instead of -P. Click the Firefox menu at the top of the screen and select Quit Firefox. If Firefox is open, close Firefox: Click the Firefox menu and select Exit.If Firefox is already included in your Linux distribution or if you have installed Firefox with the package manager of your Linux distribution: Note: You may need to adjust these instructions if Firefox is installed in a non-default location (for example, when multiple installations exist). Start the Profile Manager when Firefox is closed Launch profile in new browser When you click this, another Firefox window will open using that profile.Click this to make Firefox use this profile by default at startup. Set as default profile This option allows you to switch profiles.See the Removing a profile section below for more information. (The profile in use cannot be deleted.) Don't Delete Files is the preferred option. Remove Click this to delete a profile.Note: This does not rename the folder containing the files for the profile. Rename Click this to change the name of a profile in the Profile Manager.To manage profiles, find the profile you want to change and choose from these buttons underneath that profile: The new profile will become the default and will be used the next time you start Firefox. After you finish creating the new profile, it will be listed in the Profile Manager. Create a New Profile Click this and follow the prompts in the Create Profile Wizard (see the Creating a profile section below for details).The About Profiles page includes the following options: The Local Directory stores the disk cache and other temporary data. Note: The Root Directory stores user profile data such as bookmarks, passwords, and preference settings.

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