OpenOffice is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. It stores all your data in an international open standard format and can also read and write files from other common office software packages. It can be downloaded and used completely free of charge for any purpose.
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PPA for OpenOffice:
sudo add-apt-repository ppa:openoffice-pkgs/ppa
sudo apt-get update && sudo apt-get install openoffice.org
Note: If you have previously installed OpenOffice from the .deb files provided on the OpenOffice website or Go-OO packages from the Go-OO website, You can remove the existing version of OpenOffice with this command:
sudo apt-get remove openoffice*.*