WinZip - Powerful, fast, and easy-to-use Zip utility
WinZip is the original and most popular of all Windows Zip file utilities. WinZip's flexible user interface accommodates all types of users, from beginners to experienced power users. In addition to basic zipping and unzipping, features include tight integration with Windows Explorer, support for most Internet file formats, advanced AES encryption, and much more. For full information, visit http://www.winzip.com.