WinCC/User-Archives V7.4, Option for WinCC V7.4, runtime software, single license, License key on USB flash drive ******************************* Content: 1x USB By integrating the WinCC/UserArchives option, user archives in which related data are stored in the form of data sets can be written and read. WinCC and its automation partners (e.g. a SIMATIC S7 controller) can write these data sets and exchange them if required. WinCC/UserArchives V7.4 More current version available!