] Features WinRAR supports the following features: Complete support for  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. [ 5 ] Multithreaded compression