An official website of the United States government
The ZIP file format combines a set of separate files into a
single compressed binary file referred to as an archive. Because
the archive can contain more than one file in compressed format,
the ZIP format has become one of the most common ways to transfer
files over the Internet. In order to decompress the files stored
in ZIP format, the ZIP file first must be downloaded to a PC and
then a file utility must be used to extract the individual files
from the compressed binary file. Many file utilities are
available to "unzip" files in ZIP format in the form of
freeware, shareware and commercial packages.
The following steps for downloading and unzipping ZIP files work
for most browsers:
Last Modified Date: October 16, 2001