PKZip

PKZip, data compression computer software, used for all types of digital files. In the 1980s the American software company System Enhancement Associates Inc. (SEA) established a popular software application called ARC, which allowed users to compress computer files to save storage space or to send and download files more quickly over modems. In the mid-1980s American computer programmer Phillip Katz began developing his own compression program, PKARC, which was based on SEA’s product and used...