Which operating system is supported? Gianluca Augustin May 12, 2022 13:28 Updated The most common Microsoft Windows operating systems are supported. MacOS platform is not yet supported. Related articles How do I update the existing installation? What is the requirement to be able to use this service? Which software allows me to use the Printer driver? Data export from eArchive What is the difference between KLARA Print&Send and ePost Print&Send?