Scientist, engineer, financial expert or any professionals will have some calculation tools developed by them in their area. To share their programs with other interested professionals but at the same time secure their work is a hurdle for many. We risk revenue by fraudulent use of our worksheets if given for testing! But now its is simply possible to secure your work! (Sheet!) Make your fully functional worksheet/workbook accessible from a particular website location for just testing purpose to your clients and sell a "locally working" copy for potential customers for a fee!. Also allow your selected clients to use your calculation tools on a monthly or yearly license fee! This book is a complete guide that will fetch you revenue from the secured and protected sharing and sales of calculation tool you developed, and explains how to allow a secured sharing of your excel tools for testing. This book explains how to serve your Excel calculation tools for visitors of your website to increase your revenue, to allow visitors to test your worksheet tools in a secure way, how to sell your worksheet tools, how to set up PayPal account easily for that and so on. A very valuable guide to website owners and excel addicts who wish to make money by selling their calculation or data analysis MS EXCEL worksheet tools.