Haven´t had 1 problem with it since I have it... well, maybe it´s just me anyways
Dunno, but I´d get that one if you don´t want to spend time downloading every miserable program for every type of compression settings
WinRAR supports the following features:
* Complete support for RAR and ZIP archives, and unpacking of CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7z and Z archives.
-wikipedia