The A3 comes with a program called mTRANS that converts Word, Excel and Powerpoint files to csd format for the A3. This program is a writer for csd files. If you are exprementing with the layout of the finished product, you can use this program link - (look for the reader): http://www.csdcenter.com/en/download...ad_product.jsp
The reader can help you to see what the finished csd file looks like on the PC without having to upload it every time to the A3 to check it. Playing with page sizes and font sizes can be more convenient with this program.