DDP file format description

Many people share .ddp files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ddp file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ddp files.

4 filename extension(s) found in our database.

.ddp - Dinkey Dongle Parameter File

The DDP data files are related to DDAdd. The DDP file is a Dinkey Dongle Parameter File. A Dinkey dongle is a small piece of hardware which is part of a sophisticated system designed to protect your software from illegal copying. You can lock your software to a dongle so that each time you run your protected program, it will check for the presence of the dongle. If the right dongle is found, the program will be executed, otherwise it will not run. The file format used to save DDAdd parameters to a file.

Data files
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Dinkey Dongle Parameter File related extensions:
Adobe Photoshop for Mac Color Table Data
WAsP v4 Roughness Description
XMetaL SGML Data
Claris Resolve Script
Trimble LM80 Data
UltraDefrag Lua Report

.ddp - Delphi Diagram Portfolio

The DDP development files are related to Embarcadero Delphi. The DDP file is a Delphi Diagram Portfolio. DDP files are for Delphi diagrams (DDP stands for Delphi Diagram Portfolio) in Delphi 6-7. Delphi 5 used the DTI extension for this.

Embarcadero Delphi
Development files
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Delphi Diagram Portfolio related extensions:
Game Maker Compiled Game
Shuttle Source
RealView Scatter-loading Data
Adobe Authorware 6.5 Library
Amazon Lumberyard Intermediate CAF Data
Squeak Source Code

.ddp - DreamPlan Home Design Software Project

The DDP project files are related to DreamPlan Home Design Software. The DDP file is a DreamPlan Home Design Software Project. NCH DreamPlan is a home design software that includes all the steps, from close-ups to interior design, decoration and rendering.

DreamPlan Home Design Software
Project files
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DreamPlan Home Design Software Project related extensions:
CoffeeCup Visual Site Designer Project Archive
IncrediMail Letter Creator Project
ConsoXL Project
TeXnicCenter Project
FMOD Studio Project
TeKton3D Project

.ddp - OS/2 Warp Device Driver Profile

The DDP data files are related to IBM OS/2 Warp. The DDP file is an OS/2 Warp Device Driver Profile. OS/2 is a series of computer operating systems, initially created by Microsoft and IBM, then later developed by IBM exclusively.

IBM OS/2 Warp
Data files
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OS/2 Warp Device Driver Profile related extensions:
NonStop ASAP Entity Definition Language Data
Home Inspector Pro Inspection Document
Recog Character Recognition Set
Jusan Fidelity License Data
iSale Auction Data
DICT Index File

Naturally, other applications may also use the .ddp file extension. Even harmful programs can create .ddp files. Be especially cautious with .ddp files coming from an unknown source!

Can't open a .ddp file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ddp file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cdp, dcp, dd, ddl, ddo, dep, dfp, dp, dpd, drp, dsp, dvp, dwp, dxp, edp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Fallout 3 Shader Package
DiskDoubler Archive
ABC Dyadic Predicate Data
Duxbury Print Document
Protector Suite QL Encrypted Data
OMA Download Descriptor

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> DDP file