IE has favorites, and in Windows 2000/XP, the registry also has a Favorites folder. With this favorites, we can quickly navigate to the common branches in the registry.
1. Add and Delete registry keys
Locate and select a registry key to add, click favorites → add to Favorites, and enter an intuitive name for the key in the dialog box that appears, and the item is added to the Favorites list after "OK." To remove unwanted registry entries from your Favorites list, simply click the menu favorites → Remove favorites, and in the window that appears, select the registry key that you want to delete, and click OK.
2. Backup of Registry Favorites
The Favorites folder for the registry is stored directly in the registry. Open Registry Editor and navigate to [hkey_current_user\software\
Microsoft\windows\currentversion\applets\regedit\favorites], execute menu "file → export", export "Favorites" branch into registry file. When you need to restore the registry favorites, simply double-click the registry file above to import it into the registry.