The ExLZW Active/X control allows data compression. It's easy to use and simple to integrate into your product. The control contains two COM objects Encoder and Decoder. The Encoder object is able to compress a file, a folder recursively, or a list of files. Also, the Encoder object is able to save information about how files will be decompressed. It is able to saves a list of variable that user will be able to change at decompression time. The Decoder objects decodes a file that contains encoded files. If you want to avoid overloading your package you can buy the sources and you can integrate it to your product.