Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .dcu

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .dcu file?
  • Which program can create the .dcu file?
  • Where can you find a description of the .dcu format?
  • What can convert .dcu files to a different format?
  • Which MIME-type is associated with the .dcu extension?
Delphi Compiled Unit .dcu file icon

Delphi Compiled Unit

DCU file is a Delphi Compiled Unit. Embarcadero Delphi is an integrated development environment (IDE) for console, desktop graphical, web, and mobile applications. When Delphi compiles a source (.pas) file, it creates a corresponding Compiled Unit (.dcu) file (Delphi compiled unit).
Category: Development files
Application: Embarcadero Delphi
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Delphi Project
Pascal/Delphi Source Code
Delphi Form
Delphi Package
Delphi Component Package
Delphi Package Library
Borland Package Library
Borland Project Group
Delphi Component Resource

Other types of files may also use the .dcu file extension. If you have helpful information about .dcu extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

CryptLoad Update Data
CDU Paint Image
CUDA Source Code
DesignCAD Document
DipTrace Schematic Document
RAD Studio Delphi Code Insight
Resolume Deck
NETSCAN Decay Search Results
MAP dlms User Association Document

The .dcu filename extension is often given incorrectly!

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

fcu (1), dxu (1), duc (1), dfu (1), dcy (1), dci (1), dc (1), wcu (1), cdu (1), rcu (1), ecu (1), dvu (1), dsu (1), ddu (1), dck (1)

Can't open a .dcu file?

If you want to open a .dcu file on your computer, you just need to have the appropriate program installed. If the .dcu association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.dcu

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android