DCU File Type

Reporter:   |   Refreshed: November 26, 2018

Microsoft Silver

DCU File Summary

Our most recent information indicates that DCU files are associated with only a single known file type, the Delphi Compiled Unit format, and can be viewed with the Delphi (IDE) software package (developed by Embarcadero Technologies). The majority of DCU files are considered Developer Files.

DCU files are found on both mobile and desktop platforms and can be opened using Windows, iOS, and Android operating systems. The Popularity Rating for DCU files is "Low", which means these files are not ordinarily found on an everyday user's device.

Interested to learn more about the DCU File Extension? We encourage you to view the detailed file information below to learn about the software that opens DCU files, and other troubleshooting tips.

Low
Demand
887
Rank

/ 11690

Active

File Status

26

November

2018

Refreshed

Open DCU with FileViewPro

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Types of DCU Files


Chief DCU Description

.DCU
File ID:.dcu
Classification:Delphi Compiled Unit

DCU is a compiled unit file. It normally contains a similar name to that of the source code file.

Developer: Embarcadero Technologies
Group:Developer Files
Registry Key: HKEY_CLASSES_ROOT\.dcu

Software Programs That Open The Delphi Compiled Unit:


Delphi (IDE) by Embarcadero Technologies

Windows
iOS
Android
OS X El Capitan

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DCU Usage


Browser Popularity

Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


DCU Troubleshooting


Frequent DCU Opening Issues

Delphi (IDE) Isn't There

Double-clicking your DCU file prompts the message "%%os%% Can't Open DCU File". Customarily, this means that Delphi (IDE) is not installed on %%os%%. The OS won't know what to do with your DCU file, so double-clicking to load the file doesn't work.


Tip: If you don't have Delphi (IDE) installed, and you know of another program to open your DCU file, you can try opening it by selecting from the programs listed under "Show Apps".


Obsolete Version of Delphi (IDE)

Occasionally, you might have an outdated version of Delphi (IDE) installed that's incompatible with your Delphi Compiled Unit type. You will need to download a newer version of Delphi (IDE) if you don't have the right version. This problem is predominately due to having a Delphi Compiled Unit file version that was created by a newer version of Delphi (IDE) than what you have installed on your PC.


Tip: You can sometimes get hints about the right program version by right-clicking on the DCU file, selecting "Properties", and looking at the version information.


Summary: Not having the right Delphi (IDE) version on your computer can cause problems opening DCU files.


Other DCU File Issues

Although you might already have Delphi (IDE) or another DCU-associated software installed on your computer, you can still encounter problems opening Delphi Compiled Unit files. There can be other issues - unrelated to software - preventing you from opening DCU files. Additional factors include:

  • DCU file references in the Windows Registry are broken
  • Corruption of the DCU file description inside the Registry
  • Incomplete or bad installation of a software application associated with the DCU format
  • The DCU itself is corrupted
  • Past or present virus infection has affected your DCU
  • Hardware associated with DCU has outdated drivers
  • Insufficient system resources to successfully open Delphi Compiled Unit files

Quiz: Which file extension is an archive file?









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