Now you can use Web-based protocol handlers to provide quick access to your favorite Web applications. For example, you can set Firefox up so clicking on a mailto: link on any site will open a new message in your preferred webmail provider rather than your computer’s default mail program (note: this feature is only available with webmail services that have registered with Firefox 3).
Go to Tools → Options → Applications to select the default application for each protocol or to select “Always Ask” if you prefer to choose the application yourself every time.

Go to Tools → Options → Applications to select the default application for each protocol or to select “Always Ask” if you prefer to choose the application yourself every time.

- Advanced - Go Directly to Your Favorite Sites
- Advanced - Create Smart Folders
- Advanced - Manage Your Downloads
- Advanced - Discover Developer Tools
- Advanced - Set the Web Up Just Like You Like It
Advanced