Prototyping is a key step in the development of successful products. Yet budgetary restrictions, deadlines, and lack of access to sophisticated tools often lead to sloppy, ineffective prototyping. Designers need efficient visualization tools that quickly communicate ideas, and help improve the realization of their ideas. Effective Prototyping for Excel offers just that by illustrating how anyone can use basic Excel skills to create prototypes. Excel is available on virtually every desktop, and most professionals are proficient with at least its basic functionality. This book offers step-by-step guidance of how to see a prototyping project through from start to finish, in the context of collaborative teams and respective work environment. A range of software design problems and business demands are solved as practical examples complemented by full color illustrations, offering the a fast, cost-effective and reliable tool for prototyping.