DDM File - opening and understanding

Did your computer fail to open a DDM file? We explain what they are used for and recommend software that we know can open or otherwise handle your .DDM files.

What is a DDM file?

Files that contain the .ddm file extension are used by the Alpha Five database software. The Alpha Five software is a user-friendly application development program and a regional database management system.

The DDM files that are used by the Alpha Five application store information for table objects, report designs and other database information. The data that is stored in the DDM files is saved in a memo format.

In some cases, the .ddm file extension is also used for Intelliware data modeller files. Intelliware is a custom software development organization. The DDM files associated with Intelliware are usually stored in a text-based format.

How to open DDM files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension DDM for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 1 different DDM openers which you will find listed below.

Suggest another file format using extension DDM

While we know of one file format using the .DDM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .DDM file.

Various viewers for this file format

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

Document ViewerDocument ViewerUser submitted
We have not verified any software that we know for certain will work with DDM-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 DDM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!