DDP File Type

- The quick facts

What are DDP files and how to open them

Are you having problems opening a DDP 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 DDP file?

DDP files have multiple uses, and Delphi Diagram Portfolio is one of them.

Delphi Diagram Portfolio

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open DDP files

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

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

Last updated: April 3, 2021

More file formats using the DDP extension

Through our research of DDP files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

OS/2 Device Driver Profile

Various apps that use files with this extension

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.