A ZIP file is a common archive format used to bundle one or more files and folders into a single compressed package.
Individual files within the archive start with a Local File Header , often identified in a hex editor by the signature PK (the initials of creator Phil Katz). How to View Content Without Unzipping s_yzip
Every ZIP file contains a Central Directory at the end, which acts as a "map" listing all the files inside. A ZIP file is a common archive format