Not just another compression program, StarDotZip is a powerful and versatile archive management tool. Can open/extract multiple archives with a single righ click in Explorer. You can add to an archive by drag and droping a file onto an archive file. It can handle more than just Zip files. It can open and extract 14 different types of archive types without the need for external programs. It can also create 9 of those archive types also without the need for external programs.