If you cannot open the CRD file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable application that supports CRD among those that are installed on your computer. A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the CRD file can be found below. Now just download and install the appropriate application. This site also defines other possible causes causing the problems with CRD files.
Possible problems with the files that are in the CRD format The inability to open and operate the CRD file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the Microsoft Windows Cardfile Database Format file.