DDM File Type

- The quick facts

What are DDM files and how to open them

Are you having problems opening a DDM 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 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

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

While we have not verified the app ourselves yet, our users have suggested a single DDM opener which you will find listed below.

Last updated: March 8, 2012

Various apps that use files with this extension

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.

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