DDP File - opening and understanding

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

What is a DDP file?

A .DDP file is a Delphi Diagram Portfolio file. Through our analysis of DDP files, we know that one use of the format is Delphi Diagram Portfolio. 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 DDP 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 DDP for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different DDP openers which you will find listed below.

Other file formats using extension .DDP

While Delphi Diagram Portfolio is a popular type of DDP-file, we know of 2 different uses of the .DDP extension.

The DDP file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a DDP opener may not be able to open all kinds of DDP files. In this case, look through both formats to make sure you find the best suited DDP viewer.

OS/2 Device Driver Profile

Through our analysis of DDP files, we know that one use of the format is OS/2 Device Driver Profile. 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 10 different DDP openers which you will find listed below.

Various viewers for this file format

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

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