DPR File Extension

DPR file icon

Delphi Project

  • File Type dpr
  • Developer Embarcadero Technologies
  • Popularity
    4.2 (33 votes)
  • Application Delphi
  • Category Developer Files
  • Format Text

What is a DPR file?

The DPR extension is related to Delphi Project and is classified in the Developer Files category, which contains 1166 files.

The Delphi Project (DPR) was developed by Embarcadero, which created file format and 8 programs to work with them.

DPR files are supported by Windows. To open a DPR file, you can choose from 2 programs such as Delphi and RAD Studio.

Programs that support DPR files

How to open a DPR file?

If you cannot open a DPR file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Delphi and RAD Studio stand out as the preferred programs to manage DPR files effectively. To install the current version of Delphi, go directly to the official Embarcadero website. The universal package for all operating systems is available there.

After successful installation, your operating system should seamlessly handle DPR files via Delphi.

Set Delphi as the default DPR program

Change Default Program on Mac

  1. Right click or Control + left click on the desired DPR file;
  2. Choose "Open in Application" and click "Other";
  3. Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
  4. Select "All Programs" from this menu and proceed to search for Delphi. Check the box next to "Always open in app" to set it as the default option.

Set default programs for Windows

  1. Start by right-clicking on your DPR file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
  2. In the pop-up window, select the Delphi application;
  3. Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening DPR files.

Solve problems with DPR files

DPR files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.

What are the ways to check if my DPR file is damaged?

DPR developer files that have become corrupted may display one or more of the following symptoms:

  • The file does not respond or shows errors when opening it;
  • The file exhibits poor performance during editing operations in Delphi;
  • The file stops responding or freezes in Delphi or other programs;
  • Unexplained DPR file size inflation;
  • Actions performed on the file result in the appearance of error notifications;

Why does Delphi crash or shut down frequently?

Insufficient updates for Embarcadero products can cause Delphi to crash. Be sure to regularly install the latest software updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

Is there any specific software or utility that can help repair a damaged DPR file?

Use a recovery program to open the damaged DPR file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged developer files.

How to edit a DPR file?

To make changes to DPR files, you need specialized software that allows both opening and editing the developer files. Online DPR editors offer fewer capabilities than applications optimized for Delphi Project.

Best DPR Editor Software in 2026

With the mentioned criteria in mind, we have assembled a selection of DPR editors.

DPR Editor SoftwareDeveloperPlatformsOverall Rating
RAD StudioEmbarcaderoWindows4.8 out of 5 (42 reviews)
DelphiEmbarcaderoWindows4.4 out of 5 (34 reviews)