Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Rated 1 out of 5 stars
First: Did not work for me, settings were lost each time you switch to a different folder.
Second: I am not sure what you need this extension for. In TB 5 you get the same result by "menu, tools, options, advanced and then click display "show only display name for people in my address book"