Profile Irving Show my name on the attendees list for events I am attending: Yes The reason why you can't open your .Cdpz file is because you don't have the EXACT .Cdpz software to open that EXACT .Cdpz file extension. What could be more frustrating? How To Open Cdpz File Last activity: on 13/08/2016 Joined: on 10/08/2016 http://www.fileviewpro.com/en/file-extension-Cdpz Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.