There are a number of different freeware tools on the market, some of them being good while some of them are better. IZArc2Go is a portable file compression tool that can be stored on a simple USB drive in order to keep it with you wherever you go. The interface resembles the one used by Windows Explorer.
With such an interface, IZArc2Go is very easy to use, as you are definitely used to the standard Windows menus. The functionality of the software has an almost maximum level, allowing you to use a lot of different formats in order to create archives in a matter of minutes.