They usually exist in the file format of Join-CalculusjcCompiled Interface. JIO files are usually classified as data files.
Windows, Mac and Linux operating systems can be used to view JIO files. These programs are usually found on the desktop (and some mobile devices), enabling you to view and sometimes edit files in the above formats.
The popularity of the main file types of JIO is "low", which means that these files usually do not appear on commonly used desktop or mobile devices.
Extended data:
France National Institute of Information and Automation (or France National Institute of Computer and Automation) focuses on computer science, control theory and applied mathematics.
The Institute was established in Lockcourt, near Paris, on 1967. It is a national scientific research institution in France, directly under the French Ministry of Research and the French Ministry of Economy, Finance and Industry.
INRIA computer science ranks seventh in the world in terms of discipline competitiveness of scientific research institutions (the top ten are Massachusetts Institute of Technology, Stanford University, University of California at Berkeley, University of Texas, University of Illinois, University of Pennsylvania, French National Institute of Information and Automation, Carnegie Mellon University, University of Maryland and University of California at San Diego).
References:
Baidu encyclopedia -INRIA