LibreOffice is the free office suite that is compatible with all Microsoft Office files. LibreOffice is installed by default in Ubuntu. In Ubuntu 12.04, the libreoffice installation is version 3.5.3, and this tutorial will show you how to install latest 3.5.4 on Ubuntu 12.04, 11.10, 11.04 and 10.04.

  • Method 1. This is the easiest way installing libreoffice by adding the official ppa into your repository.
    • Open terminal from the dash home or press Ctrl+Alt+T, run this to add the ppa:
      sudo add-apt-repository ppa:libreoffice/ppa
    • Update and install libreoffice:
      sudo apt-get update
      sudo apt-get install libreoffice

    The official PPA has updated the libreoffice 3.5.5rc2 for 12.04, so Ubuntu 12.04 can use manual way installing 3.5.4 stable

  • Method 2. Download and Manually install Latest LibreOffice from the official site.
    • Download the latest libreoffice from the official download site.
    • Launch terminal from the dash home or press Ctrl+Alt+T, execute this to remove previous version if exist:
      sudo apt-get remove --purge libreoffice-core
    • Navigate to the folder you downloaded the file, and extract it.
    • Open terminal again, and navigate to the newly created folder (use cd Downloads/foldername/) then execute:
      sudo dpkg -i *.deb  
      cd desktop-integration 
      sudo dpkg -i *.deb