WinZip is the original and most popular of all Windows ZIP file utilities. Wizard/Classic interfaces accommodate both first-time and experienced users. With WinZip you can quickly and easily compress and decompress files, folders, and entire folder trees to save storage space and reduce e-mail-transmission time, as well as encrypt and decrypt your sensitive documents. Features include tight integration with Windows Explorer, support for most Internet file formats, and one-click zipping and e-mail. WinZip 11.1 offers a thumbnail image view and automatic compression selection, plus improved compression for audio files (.WAV) and the ability to open .BZ2 and .RAR files. You can free download WinZip Professional Edition 11.1 now.