What is .DLX file extension?
Lighting design project file created by DIALux, a free, professional light planning application; stores an indoor or outdoor lighting plan; may include luminaires (electric light units), floor plans, street layouts, and other environmental lighting factors.
DIALux projects can import luminaire data from .LDT files, which use the Elumdat luminaire format.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.