Para instalar o OpenOffice 4.1.1 em uma máquina Ubuntu de 64 bits:
Remova as versões instaladas anteriormente do openoffice e do libreoffice:
sudo apt-get remove libreoffice* openoffice*
sudo apt-get autoremove
Baixe, extraia e instale o pacote deb:
wget sourceforge.net/projects/openofficeorg.mirror/files/4.1.1/binaries/en-GB/Apache_OpenOffice_4.1.1_Linux_x86-64_install-deb_en-GB.tar.gz
tar -xzvf Apache_OpenOffice_4.1.1_Linux_x86-64_install-deb_en-GB.tar.gz
cd en-GB/DEBS
sudo dpkg -i *.deb
cd desktop-integration
sudo dpkg -i *.deb