To preview reports in any of the aforementioned formats, you will need certain prerequisites on your computer. For HTML, you will need to preview in any modern internet browser and make sure that Active X controls are allowed. For Word and Excel reports, you can export the report without having Microsoft Office on your computer, but you will not be able to preview these reports or open them until you load the report on another machine. For PDF reports, you must have a program that can open PDF’s. If you already have Google Chrome, you can set it to be your default PDF viewer!