D4C file format description

Many people share .d4c files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .d4c file can be edited, converted or printed with. On this page, we try to provide assistance for handling .d4c files.

1 filename extension(s) found in our database.

.d4c - Dataphor Catalog Data

The D4C development files are related to Dataphor. The D4C file is a Dataphor Catalog Data. Dataphor is an open source application development platform designed to streamline the process of designing, developing, and maintaining software applications.

Development files
- / -
Dataphor Catalog Data related extensions:
Dataphor Source Code

Naturally, other applications may also use the .d4c file extension. Even harmful programs can create .d4c files. Be especially cautious with .d4c files coming from an unknown source!

Can't open a .d4c 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 .d4c file extension is often given incorrectly!

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

4dc, d4, dc, dc4, dec, drc, dtc, e4c

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

DriveCrypt Container
Dolphin EasyConverter Project
Microsoft SMS Collection Evaluator Deletion Data
DEC DX Document
4D Database Compiled Structure
Cadence OrCAD Design Rules Check Report

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

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .d4c file format, then write to us!

DataTypes.net >> D4C file