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Basic information about DD file

When there is a problem with opening files with the file extension DD（*.DD or *.dd）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the DD file yourself.

There are 7 file types using the DD file extension in our database. In the further part of this page, you will find detail information about all the DD file with their brief description and a list of programs that support DD file sorted by operating systems. The table below provides useful information about the DD file extension. It answers questions such as:

What is the DD file?
How to open a DD file?
What programs do I need to open a DD file?
What programs help to create and edit a DD file?
How to convert DD files to another file format?
How to convert another files to DD file format?

1.Detail information about DD file extension: Sage MAS 90 Data File

Software programs that will open, edit or convert DD files
File type	Sage MAS 90 Data File	Category	Data Files
Developer	N/A	File format	N/A
Description	DD file is a Sage MAS 90 Data File. The dd file extension is associated with the Doodle graphics suite for 8-bit Commodore 64 computers that allows users to drawing picture images. The dd file contains picture image created in the Doodle (320x200, 16 colors). It can be viewed in XnView picture image editor and manager. This dd file type entry was marked as obsolete and no longer supported file format. This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
Windows	Sage MAS 90

2.Detail information about DD file extension: DiskDoubler Archive

Software programs that will open, edit or convert DD files
File type	DiskDoubler Archive	Category	Compressed Files
Developer	Symantec	File format	Binary
Description	DD file is a DiskDoubler Archive developed by Symantec.
macOS	Symantec Norton DiskDoubler Pro The Unarchiver SuperDoubler DDExpand

3.Detail information about DD file extension: Doodle C64 Image

Software programs that will open, edit or convert DD files
File type	Doodle C64 Image	Category	Vector Image Files
Developer	N/A	File format	N/A
Description	DD file is a Doodle C64 Image.

4.Detail information about DD file extension: Dataflex Data Dictionary

Software programs that will open, edit or convert DD files
File type	Dataflex Data Dictionary	Category	Data Files
Developer	N/A	File format	N/A
Description	DD file is a Dataflex Data Dictionary.
Linux	DataFlex

5.Detail information about DD file extension: Everest Data Dictionary

Software programs that will open, edit or convert DD files
File type	Everest Data Dictionary	Category	Data Files
Developer	N/A	File format	N/A
Description	DD file is a Everest Data Dictionary.
Windows	Everest

6.Detail information about DD file extension: Microsoft Visual Studio Deployment Diagram File

Software programs that will open, edit or convert DD files
File type	Microsoft Visual Studio Deployment Diagram File	Category	Developer Files
Developer	N/A	File format	N/A
Description	DD file is a Microsoft Visual Studio Deployment Diagram File.

7.Detail information about DD file extension: DDwin Project File

Software programs that will open, edit or convert DD files
File type	DDwin Project File	Category	Page Layout Files
Developer	N/A	File format	N/A
Description	DD file is a DDwin Project File.
Windows	DDwin

Can't open a DD file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.DD”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the DD extension without any issue.

Where I can download the application that support DD file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of DD files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a DD file?

The reasons for the lack of the ability to open a DD file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a DD file. If there is still something wrong, you might want to check:

Whether the DD file is damaged.
Whether the DD file is incorrectly linked in the registry entries.
Whether the DD file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the DD file format is incompletely.
Whether the DD file is infected.
Whether the drivers of the equipment used for opening a DD file are up to date.
Whether your computer has enough hardware resources to open a DD file.

If the DD file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.