Firefox lets you import settings and data from Internet Explorer. This saves you from having to configure many things yourself.

• If you want to import Internet Explorer Favorites from another computer, see Importing Internet Explorer Favorites from another computer.

1. At the top of the Firefox window, click the File menu, and select Import....
   
   
   
   
2. Select Microsoft Internet Explorer, then click Next.
   
   
   
3. Firefox will list the types of settings and information it can import. Select the items you want to import, then click Next.
   
   
   
   • Internet Options: General settings, including your home page. Since Firefox and Internet Explorer have different features, Firefox won't be able to import all of your settings.
   • Cookies: Small bits of information stored on your computer by some websites that are used to keep you logged in, store your options, or do other things.
   • Browsing History: Information on the sites you have visited.
   • Saved Form History: Text you entered in text fields on websites.
   • Saved Passwords: Usernames and passwords for websites you told Internet Explorer to remember. Note that you cannot import passwords from Internet Explorer 7 or higher.
   • Favorites: Web pages you have saved in your Internet Explorer favorites.
4. Click Finish. The items you selected should now be imported.
   
   
   

• Your imported favorites will appear in the Bookmarks menu in a folder named From Internet Explorer.
  
  

Based on information from Import bookmarks (mozillaZine KB)