What is the DCUIL File Extension?

Researcher:   |   Revised: November 26, 2018

Microsoft Silver

DCUIL File Summary

Only one known software program, Delphi (IDE) developed by Embarcadero Technologies, is related to the DCUIL file extension. In addition, they are categorized under a single primary file type, described as the Delphi .NET Compiled Unit File format. These files can be categorized as Developer Files.

File Extension DCUIL files have been identified on both desktop and mobile devices. They are fully or partially supported by Windows, iOS, and Android. The main DCUIL file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

If you would like to learn more about DCUIL files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic DCUIL file troubleshooting if you are having trouble opening these files.

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Sorts of DCUIL Files


Primary DCUIL File Association

.DCUIL
Extension:.dcuil
Category:Delphi .NET Compiled Unit File

Script file used by Delphi, an integrated development environment used to create Windows applications. DCUIL file contain compiled unit data.

Company: Embarcadero Technologies
Kind:Developer Files
Entry: HKEY_CLASSES_ROOT\.dcuil

Software Programs That Open The Delphi .NET Compiled Unit File:


Delphi (IDE) by Embarcadero Technologies

Windows
iOS
Android
OS X El Capitan

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DCUIL Popularity


Leading Mobiles

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


DCUIL Troubleshooting


Frequent DCUIL Opening Issues

Delphi (IDE) Not Present

Double-clicking your DCUIL file prompts the message "%%os%% Can't Open DCUIL File". Generally, this is experienced in %%os%% because Delphi (IDE) isn't installed on your PC. You won't be able to double-click to open your DCUIL because your OS doesn't know what to do with it.


Tip: Another DCUIL-related program can be selected to open the file by clicking "Show Apps" and finding the application.


Incorrect Delphi (IDE) Version

Your Delphi .NET Compiled Unit File file is incompatible with Delphi (IDE) because you might have the wrong version installed. Visit the Embarcadero Technologies website to download (or purchase) the latest version of Delphi (IDE). This problem is predominately due to having a Delphi .NET Compiled Unit File file version that was created by a newer version of Delphi (IDE) than what you have installed on your PC.


Tip: If you right-click on your DCUIL file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Ultimately, most of the difficulties opening DCUIL files are due to having the wrong version of Delphi (IDE) installed.


Additional DCUIL Opening Issues

You can still experience errors opening DCUIL files even with the latest version of Delphi (IDE) installed on your PC. If you're still experiencing problems opening DCUIL files, there could be other computer problems. Problems unrelated to software:

  • File references in the Windows Registry for DCUIL are wrong
  • Corruption of the DCUIL file description inside the Registry
  • Delphi (IDE) or another DCUIL application experienced a flawed installation
  • Something has caused file corruption of your DCUIL
  • Your DCUIL is infected with malware
  • DCUIL-related hardware has device drivers that obsolete
  • Your computer does not have the adequate system resources to open the Delphi .NET Compiled Unit File format

Quiz: Which of the following is not a MIME type?









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