File Compression/Decompression Tools

Most operating systems now include file compression/decompression tools. However, if they don't satisfy your needs, there are many other tools available.

1 Free Compression Utilities

There are a large number of commercial file compression/decompression utilities available. However, there are also quite a few free tools that you might find very valuable, including:

7-Zip (MS-Windows)
InfoZip (All)
StuffIt Expander (All)