CorelDraw Compressed Image File
CorelDraw is a graphics suite from the Corel Corporation. The program was first released in 1989 and supported the Microsoft windows operating system, there have been versions for Mac OS X and for Linux but these have since been discontinued.The latest version of the program is CorelDraw X5.
Files from CorelDraw that use the .cdx file extension are image files created by CorelDraw that have been compressed.
How to open .cdx files?
Software to open .cdx files
What are .cdx files