For effective data management in the environment Windows, application was built as a set of program modules. Program module: File manager - support of the classic (MS-DOS file commands) and Windows Explorer (WinShell file commands) styles to manipulate files and explore file system.The combination of the speed and simplicity of the clones of Norton Commander with power and versatility of the Windows Explorer, transforms the File manager into the flexible and at the same time powerful tool to explore a file system. Program module: Graph manager - tool for viewing, editing, importing, systematization of the graphics data. Program module: Video manager - tool for grabbing, recording, playback, systematization of the video data. Program module: User's Database - purpose of the module: to enable the user to create simple databases necessary for storage and systematization of the data in different formats (Word documents, photos, captured frames, fragments of a video, musical compositions etc.). Program module: Tools - module consists of several instrumentation tools - utilities. The examples of user's databases can free be downloaded from a site of the developer.