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DDP files: All you need to know

How to open files with extension DDP

DDP File

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.

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Upload example file

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .DDP files used for?

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.

Update info
Upload example file

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various DDP file openers, viewers, etc.

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!