Open CAJ File format – Programs and How to

File type format: China Academic Journals full-text database definition and linked programs information.

If you receive a file with the .caj extension and you don’t know how to edit, view and convert it keep reading. These files can only be viewed but some specific programs.

You have to a download a program. A viewer that let you view the caj files.


How to open CAJ Files

  1. First, find your .CAJ file in your device, computer or mobile.
  2. Then, double click on it.
  3. In the open with drop down select an application viewer: CAJviewer.
  4. View the file in the application
  5. Finally, save it and close.

The File extension caj is used by the following file type(s):

file type description:
China Academic Journals full-text database
Chinese website, translation doesn’t work.
that open caj files:
CAJViewer (Microsoft Windows)

Download CNKI Caj Viewer here

The files created with the Caj Viewer are something similar to a PDF file.

You can only use a cajviewer to edit a caj file.



You can convert caj files to PDF or TXT. This way it is more portable.


About .caj extension

In you will find information about file format caj and related programs to open, view, edit and convert it.

This data format was originally develope by the Chinese National Knowledge Infrastructure. It is also known as CNKI.

The official page of the CNKI is