yup,
http://sourceforge.net/projects/tpabbrevia/
oder über sourceforge.net nach TurboPower suchen (die haben weitere tolle
komponenten entwickelt bis delphi7, nichst für .net)
Abbrevia is a compression toolkit for Borland Delphi, C++Builder, & Kylix. It supports PKZIP 4, Microsoft CAB, TAR, & gzip formats & the creation of self-extracting archives. It includes visual components that simplify the manipulation of ZIP files.
thomas