The File Extensions Database


.QDC File Extension

  • Developer by: Quotalys Ltd.
  • Category: Database Files

What is an .QDC file?

.QDC is Quick-Devis database

The qdc file extension is associated with the Quick-Devis (QDV), an advanced estimating tools for Microsoft Windows operating system, developed by Quotalys.

The qdc file stores database created with Quick-Davis software.


How to open:

Use Quick-Devis to work with *.qdc files.

How to convert:

It should be possible to export these databases to several database formats.

How to solve problems with QDC files

  • Associate the QDC file extension with the correct application. On :
    Windows: Right click on any QDC file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.QDC files". Mac: Right click (or Ctrl-click) the QDC 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 .QDC is Quick-Devis database. Because only the current version supports the latest QDC file format. Search, therefore, e.g. on the Quotalys Ltd. manufacturer website after an available .QDC is Quick-Devis database update.
  • To make sure that your QDC file is not corrupted or virus-infected, get the file again and scan it with antivirus software.