DD File Type

- The quick facts

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?

A .DD file is an AccWare Data Dictionary file. Through our analysis of DD files, we know that one use of the format is AccWare Data Dictionary. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

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: August 7, 2021

Other file formats using extension .DD

While AccWare Data Dictionary is a popular type of DD-file, we know of 2 different uses of the .DD extension. Different software may use files with the same extension for different types of data.

Disk Doubler compressed data

Through our analysis of DD files, we know that one use of the format is Disk Doubler compressed data. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

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

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.

IsoBusterIsoBusterUser submitted
Visual DataFlex StudioVisual DataFlex StudioUser submitted
P2 eXplorerP2 eXplorerUser submitted
DD EditDD EditUser submitted
Oxygen Forensic SuiteOxygen Forensic SuiteUser submitted
We have not verified any software that we know for certain will work with DD-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with DD-files. If you know one, please use the 'Suggest a program' link below and tell us about it!