The file will be saved using the JSON Canvas extension '.canvas'. When you open it in a text editor, you can see that it has been saved in JSON Canvas format, as shown below.

How to open a JSON file in Windows 11/10 A JSON file is a file that keeps basic data configurations and objects in JavaScript Object Notation (JSON) format, which is a universal data interchange ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default ...