A method includes creating in a first computer arrangement a printer file for a digital document containing information data to be transferred, the digital document having been generated in a first application program, wherein said printer file is internally generated in an operating system in response to a print command; creating in said first computer arrangement a transfer file which comprises said printer file and a definition file defining a one-to-one relation between a set of information data items contained in said printer file and a set of labels in said definition file so that each information data item is associated to a label; and sending said transfer file from the first computer arrangement to a second computer arrangement. Additional methods and systems are also presented.