To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for CardBook by Firefox user a16201
Rated 5 out of 5 stars
Con la version 27.1 todos los contactos de GMX se sincronizan correctamente
This review is for a previous version of the add-on (27.1). This user has other reviews of this add-on.To create your own collections, you must have a Mozilla Add-ons account.