PKZIP allows you to free up more disk space and keep email attachments under size limits by compressing your files. The program shrinks files by up to 95 percent to improve email performance and create more storage space. You can also use PKZIP to set passwords to protect your important documents, giving you complete control over who can access your valuable information. Core features of the program: • Easy-to-use interface • Command-line add-on for scripting unattended processes • Support for large files - greater than 4GB • Create .zip, .bz2, .tar, .gz, .uue, .xxe, and .jar archives • Unzip .zip, .rar, .bz2,.tar, .gz, .jar, .uue, .xxe and more