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Basic information about KPJ file

When there is a problem with opening files with the file extension KPJ（*.KPJ or *.kpj）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the KPJ file yourself.

There are 1 file types using the KPJ file extension in our database. In the further part of this page, you will find detail information about all the KPJ file with their brief description and a list of programs that support KPJ file sorted by operating systems. The table below provides useful information about the KPJ file extension. It answers questions such as:
  • What is the KPJ file?
  • How to open a KPJ file?
  • What programs do I need to open a KPJ file?
  • What programs help to create and edit a KPJ file?
  • How to convert KPJ files to another file format?
  • How to convert another files to KPJ file format?


1.Detail information about KPJ file extension: Keyman Developer Project

File type Keyman Developer Project Category Misc Files
Developer N/A File format N/A
Description KPJ file is a Keyman Developer Project. KPJ filename suffix is mostly used for Keyman Developer Project files. KPJ file format is compatible with software that can be installed on Windows system platform. The software recommended for managing KPJ files is Keyman Developer. Software named Keyman Developer was created by Tavultesoft. In order to find more detailed information on the software and KPJ files, check the developer’s official website.
Software programs that will open, edit or convert KPJ files

Windows		 Keyman Developer



Can't open a KPJ file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.KPJ”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the KPJ extension without any issue.


Where I can download the application that support KPJ file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of KPJ files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a KPJ file?

The reasons for the lack of the ability to open a KPJ file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a KPJ file. If there is still something wrong, you might want to check:

  • Whether the KPJ file is damaged.
  • Whether the KPJ file is incorrectly linked in the registry entries.
  • Whether the KPJ file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the KPJ file format is incompletely.
  • Whether the KPJ file is infected.
  • Whether the drivers of the equipment used for opening a KPJ file are up to date.
  • Whether your computer has enough hardware resources to open a KPJ file.

If the KPJ file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.