The marker that tells software where the archive ends: 0x50 0x4B 0x05 0x06 .
Some utilities like ZipGenius use a "CZIP" feature to create a secure, encrypted envelope for standard ZIP archives. 2. Slang & Idiomatic Use czit.zip
If you are looking for text related to the structure or handling of ZIP files (sometimes referred to as in specific encryption tools), the following information covers the standard text and headers found in these files: The marker that tells software where the archive
Определение ZIP IT в кембриджском словаре английского языка czit.zip