Managing and processing .Net.Win and .Net.Web App.config files. The premier GUI application operating over the base libraries IDM.Net.SysLib.Configuration. It is a strong tool designed for creation, management, modifications and visualizations of user´s configuration settings of .Net applications. It enables to export the chosen config as: External config Net.Win or Net.Web application config Net.Win or Net.Web application config with sections The Config Manager further: Simplifies designing and modifications of config files Simplifies, speeds up and increases efficiency of teamwork Immediately visualizes details of settings in the source Xml Allows storage of unused settings into depository for their later use instead of their deleting Uses default names of variables Allows attachment of pre-defined data types to variables Allows to import existing configs Allows to copy and move selected elements within a project and configs Allows to devide configuration data into groups and sections Allows to swith elements off and on at the level of groups, sections and elements Allows program editing and change of external configs setting Allows insertion of unlimited number of predefined elements Allows setting of a language version for each group and section Allows generation of enumerators from keys