This high-performance 64-bit Zip/Unzip data compression library lets your applications create and manipulate 100% PKZip 2.04g and 4.5 compatible Zip files as well as compress/uncompress streaming data directly in memory. It's designed to offer maximum flexibility while being the easiest to use product of its kind. It includes a state-of-the-art, fully documented ActiveX COM component that provides the industry's most complete feature set and uses the fastest multi-threaded zip compression engine available. This product sets performance and ease-of-use standards other compression libraries can't come close to. AES strong encryption. Now with BZip2.