Installing Libre Office on Mint

Install Libre Office (after uninstalling openoffice).

Do this at terminal:

sudo apt-get remove openoffice*.*
sudo add-apt-repository ppa:libreoffice/ppa
sudo apt-get update
sudo apt-get install libreoffice

For complete article you may read http://www.webupd8.org/2011/01/install-libreoffice-in-ubuntu-from.html