WinZip is the world's most popular Windows Zip utility for file compression, file sharing, file encryption, and data backup. No other file compression utility is as easy to use or offers such a comprehensive and innovative feature set to help you save time, conserve space, and improve productivity. Moreover, you can instantly compress files to conserve storage space, send swifter emails, and decrease file upload/download times. Zip documents, spreadsheets, PDFs, presentations, you name it! You can quickly zip and unzip files to conserve storage space, speed up e-mail transmission, and reduce download times.