OpenOffice.org is a collection of applications that
work together closely to provide the features
expected from a modern office suite. It aims to
compete with Microsoft Office and emulate its
look and feel where suitable. It can read and write
most of the file formats found in MS Office, and
many other applications. OpenOffice.org has been
found to be able to open files of older versions of
MS Office and damaged files that newer versions
of MS Office itself cannot open.