Download it at OpenOffice
homepage
It's free to use, based on StarOffice7.
Install Open Office, any version, full or only the programs you need ( use Custom Install ), select the installation folder \OpenOffice1.x.x then copy the
contents including subfolders to \Plugin\OpenOffice\Files folder. Also run the "Fonts.cmd". It will add OpenOffice deafult fonts to your build.
Note: If using with the "XPE" plugin created by Gianluigi Tiesi ( Sherpya ), you must use the Quickstarter to select wich part of Office to use ( Text, Spreadsheet, Drawing... ).
New Version: 1.1.0. Now supports file associations.