RAR  (WinRAR native conversion format) and  ZIP  archives, and unpacking of  ARJ ,  LZH ,  TAR ,  GZ ,  ACE ,  UUE , BZ2 ,  JAR ,  ISO ,  EXE ,  7z , and  Z  archives. Multithreaded compression The ability to create  self-extracting  and multi- volume  (split) archives. Data  redundancy  is