The File Extensions Database


.4DC File Extension

  • Developer by: 4D, Inc.
  • Category: Database Files

What is an .4DC file?

.4DC is 4th Dimension compiled structure data

The 4dc file extension is associated with the 4D, a relational database management system and development tool for Microsoft Windows, developed by 4D, Inc.

The 4dc file contains compiled structure data.


How to open:

Use 4D to work with *.4dc files.

How to convert:

As far as we know, this .4dc file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to solve problems with 4DC files

  • Associate the 4DC file extension with the correct application. On :
    Windows: Right click on any 4DC file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.4DC files". Mac: Right click (or Ctrl-click) the 4DC file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .4DC is 4th Dimension compiled structure data. Because only the current version supports the latest 4DC file format. Search, therefore, e.g. on the 4D, Inc. manufacturer website after an available .4DC is 4th Dimension compiled structure data update.
  • To make sure that your 4DC file is not corrupted or virus-infected, get the file again and scan it with antivirus software.