NsArchive ActiveX OCX for VB6 - Version 1.0 NSArchive OCX is a Visual Basic custom control that lets you determine the number of files in a ZIP archive plus other useful information such as the size of each file, its 32-bit CRC etc.This OCX contains all the knowledge that a programmer needs to open and examine the contents of various archive formats such as ZIP-, RAR-, CAB-, LZH-, ARC-, and ARJ archive formats.NSArchive OCX does not compress or decompress data.