Adobe PDF files - in order to view and print these files, you need an up-to date version of the Adobe Reader plug-in which can be obtained free-of-charge from Adobe. Download Adobe Reader plug-in
Microsoft Word, Excel and Powerpoint files - in order to view, amend and print these files, you will need an up-to date version of Microsoft Office or Microsoft Word. If you only need to view documents, the following resource may be of use. Office Online File Converters and Viewers