In the last decade, many factors have changed in the enterprise-environment due to the diversification of the market demand. Enterprises react to the changing situation by offering an increasing number of variants of existing products. A proven valuable attempt is not to deal with short-term measures like designing very customized modules, but to consider the eventual customer requirements already in the first stages of the engineering design process. More- over the engineering design process have to be supported by adaquate IT-tools, in order to manage the data during the development process as well as later during the product life-cycle. This approach can be realised with the Digital Product. This contribution presents the Digital Product and shows the prerequirement of the Digital Product to be fulfiled in the context of the sales process and the product configuration.