CDC File

What are CDC files and how to open them

Are you having problems opening a CDC file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CDC file?

CDC files have multiple uses, and Chaos Compacted Disk Image is one of them. Read more about the other uses further down the page.

Chaos Compacted Disk Image

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open CDC files

Important: Different programs may use files with the CDC file extension for different purposes, so unless you are sure which format your CDC file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested seven different CDC openers which you will find listed below.

Last updated: November 10, 2022

More file formats using the CDC extension

Through our research of CDC files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Telvox CODEC Archive

Various apps that use files with this extension

These apps are known to open certain types of CDC files. Remember, different programs may use CDC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Nero Cover DesignerNero Cover DesignerUser submitted
CDDC32 ApplicationCDDC32 ApplicationUser submitted
Nero CoverDesignerNero CoverDesignerUser submitted
Master Your CDCMaster Your CDCUser submitted
Clan ApplicationClan ApplicationUser submitted
Feurio! CD-WriterFeurio! CD-WriterUser submitted
UntisUntisUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about CDC file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.