DD File

What are DD files and how to open them

Are you having problems opening a DD 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 DD file?

DD files have multiple uses, and AccWare Data Dictionary is one of them. Read more about the others further down the page.

AccWare Data Dictionary

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 DD files

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

While we have not verified the apps ourselves yet, our users have suggested 5 different DD openers which you will find listed below.

Last updated: June 29, 2022

More file formats using the DD extension

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

  • Disk Doubler compressed data
  • MS-ISAM Data Dictionary

Various apps that use files with this extension

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

IsoBusterIsoBusterVerified
DataFlexDataFlexUser submitted
P2 eXplorerP2 eXplorerUser submitted
DD EditDD EditUser submitted
Oxygen Forensic SuiteOxygen Forensic SuiteUser submitted

Help us help others

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