Cimpress N.V., the world leader in mass customization, announced it has entered into a definitive agreement to acquire Exagroup SAS, one of the leading web-to-print businesses in Europe that focuses on serving French graphic arts professionals and printers.   The acquisition supports Cimpress’ strategy of building a software-enabled operational platform that aggregates and optimizes the supply chain and production of mass customized products such as signage, printing, apparel and promotional p...