http://codeguru.earthweb.com/cpp_mfc/index.shtml
Compression
CZip/CUnzip classes for zipping and unzipping files - Florent Jugla (1999/03/02)
ZLib compression library - Jean-loup Gailly and Mark Adler (1999/03/02)
ComprLib - A Data Compression Library - Jeff Connelly (1999/07/30)
Zip and Unzip, the MFC Way - Tadeusz Dracz (2000/11/07)
MFC-based library that enables the creation, modification and extraction of PKZIP and WinZip archives