What is a file with the suffix caj? What software can I use to open it?
You can read it with CAJ full-text browser. CAJ full-text browser is a special full-text reader for China Journal Network, which supports CAJ, NH, KDH and PDF files of China Journal Network. You can read the original text of China Journal Network online or download the full text of China Journal Network to your local hard disk. Its printing effect can be consistent with the original monitor. CAJ full-text browser download