Add file extension

File extension JCF

The most common cause of problems with opening the JCF file is simply the lack of appropriate applications installed on your computer. In this case, it is sufficient to find, download and install an application that supports the JCF file format - this type of programs are available below.

File type JAWS Configuration
Developer Freedom Scientific, Inc.



It should be noted that some coded data from files that your computer does not read can be sometimes previewed in a Notepad. This way, we will read passages of a text or numbers. It is worth checking if this method can also be applied to the JCF files.

What should be done when an application from the list has already been installed?

Often, an installed application should automatically link to a JCF file. If it did not happen, the JCF file can be linked with the newly installed application manually. Simply right-click on the JCF file, then from the available list select "Choose default program". Next, select "Browse" and find the application you selected. These changes have to be confirmed by pressing the "OK" button.

Programs that can open the JCF file


Why can’t I open the JCF file?

However, problems with the JCF files can also have a different background. Sometimes even the software, installed on your computer, that supports the JCF files does not solve the problem. The reason for the fact that the JCF file can’t be opened and used can also be:

- an incorrect link to the JCF file in the registry entries
- corruption of a JCF file, that you want to open
- infection of a JCF file (viruses)
- insufficient computer hardware resources
- drivers out of date
- accidental deletion of the JCF file from the Windows registry
- incomplete installation of the program that supports a JCF file?

Solving these problems should allow the free opening and working with the JCF files. If the computer still has problems with the files, use the services of an expert who will diagnose a specific cause.

My computer does not show file extensions, what should I do?

In the standard Windows settings, a computer user cannot see the JCF file extension. However, you can successfully change this in the settings. Just go to "Control Panel" and select "Appearance and Personalization". Then, go to the "Folder Options" and open the "View" tab. On the "View" tab, you will find "Hide extensions for known file types" – you should mark this option and confirm by pressing "OK". At this point, the extension of all files, including the JCF files should be displayed after the file name.