DropZip for Windows - Version 5.0 Allows you to create either Zip (.zip) or StuffIt (.sit) archives on the Windows platform making it the only utility that can create archives common to both Windows or Macintosh platforms. Create archives from contextual menu, drag and drop to a desktop shortcut or the open application. Includes Aladdin Expander to expand common archive types from both Windows (.zip, .gz, .z, .arc, .arj, .uu/uue, MIME) and Macintosh (.sit, .sea, .hqx, .bin) making it the one stop crossplatform expansion tool for Internet and email users.