Excel Viewer 2003 is an excellent tool intended for Excel books management. With this powerful tool users will be able to open, read and print Excel books without having to install the program on their PC.
On the other hand, Excel Viewer 2003 + Service Pack is an update of Excel Viewer focused on the security aspects of the program. This tool represents improvements in security for potential attacks and/or danger.
In addition its previous updates have been modified to make this application a real and powerful improvement set.
Very simple to install, just going through Microsoft update, where there will be an installation wizard that will tell you exactly what steps to follow in a simple and practical way.