: SEA sued Katz’s company, PKWARE , for trademark and copyright infringement, claiming he had copied their source code.
: Instead of giving up, Katz settled the suit and decided to create a brand-new format that was completely independent of ARC. He named it ZIP (suggested by his friend Robert Mahoney to imply speed) and released PKZIP 1.0 in 1989. 2. The Rise of the ZIP Standard
Today, the format is so ubiquitous that it is natively built into Windows File Explorer , allowing users to "Zip" and "Unzip" folders with a single right-click. Zip and unzip files - Microsoft Support
: Assigns shorter binary codes to the most frequently used characters in a file.