ARTISTS
While there is no specific official file named "NCHSK19," the software—which is likely related to your query—offers several useful features for managing .zip archives.
: The software includes an Encryption Manager that allows you to easily add, change, or remove password protection from your files.
: You can open and view split zip archives (files ending in .z01, .z02, etc.) as long as all parts are kept in the same folder.
: It can extract dozens of file formats, including more specialized ones like APK , ISO, IMG, and RAR (if WinRAR is installed).
: The interface includes a built-in "Email" icon that lets you compress files and immediately send them as attachments without opening a separate email client.
: You can choose from five different compression levels—ranging from "fastest" to "smallest"—to prioritize either speed or maximum storage savings.
If "NCHSK19" refers to a you are trying to use, please provide more details so I can help you further. Express Zip File Compression Software