Open Office Writer files are saved as odt files. If you are looking to open an odt file you will need to install a copy of Open Office Writer on to your computer. Open Office Writer comes standard in the Open Office software bundle and is free for anyone to download and use.
Open Office Writer is a word processing program offered by Open Office. Open Office software bundle contains several useful office software applications other then Open Office Writer. You may find it useful to download the whole bundle as opposed to just Open Office Writer. The software bundle includes a Open Office Calc and Open Office Impress.
Open Office Calc is a spreadsheet program that is compatible with many types of spreadsheet file extensions. Open Office Impress is a presentation type software which can easily help you create presentation slides. The whole Open Office line is compatible with Microsoft Office applications as well. You open, save, and edit files as Microsoft Office compatible files. The best part of the Open Office line is that it is open source which means that it is completely free to use. It is updated and maintained by the web community as whole instead of a company looking to make money.