What is the best option to open .docx, pptx files in Ubuntu LTS 8.04 ?

Wed Oct 8 13:11:54 UTC 2008

On Wed, 2008-10-08 at 16:34 +0530, Ashish Vijaywargiya wrote:
> Please help me in this matter because I need any converter or
> supporting open-source software that help me on this matter.
> May be this question has been asked so many times on the Ubuntu
> mailing list but I don't know how to search the old email that
> has been answered.

OpenOffice.org Writer opens .docx files.