TSevenZipVCL v.0.73 By Rainer Geigenberger. Component / Wrapper to use the 7zip dll. Easy to use. Multivolume, password support. 7zip.dll and SFX-module included. 这是我个人非常推崇的7Zip的又一个delphi下的控件，你可以很容易的在你

Delphi unit with 7-zip interface for 7za.dll. 7zip.org - the powerfull archive program. The compression level is one of the best, much better then zip, rar.