24/7 Tech Support It's Fast, Free & Easy! D.M. Chambers and Associates offers a variety of free 24/7 support options. To contact tech support by phone, email or call-back, you will require a free case number. Sorry, no technical support can be provided without a free case number or customer number. (Customer number is the number you saved when registering your software online.) Please select one of the following: No, I have not yet search the "DMC Support Knowledge Base" so I would like to check it now. (Please be sure to check here first!) Yes, I have searched the "DMC Support Knowledge Base" but I can not find an answer. I now need a free case number. Yes, I have searched the "DMC Support Knowledge Base" but I can not find an answer. I already have a Customer / Support number. I have lost or forgoten my Customer / Support number. Downloads Click here if you are not viewing this in a frame.