unshieldv3: unshieldv3 (extract v3 InstallShield files) unshieldv3: unshieldv3: unshieldv3 is a command line tool to extract the *.Z InstallShield v3 unshieldv3: packages many old windows games were distributed as. unshieldv3: unshieldv3: The files unshieldv3 supports are identified by the file command as unshieldv3: "InstallShield Z archive Data", and begin with a hex signature of unshieldv3: 13 5d 65 8c 3a 01 02. unshieldv3: unshieldv3: unshieldv3: