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 ...

To open a JSON file in Notepad, right-click on the file, select “Open with,” and then choose “Notepad.” However, while Notepad can open and display JSON files, it does not format them or highlight ...

If you want to make a new JSON file, just make a regular text file and save it with a “.json” file extension. Be sure to change the save type to “All Files” or else it’ll turn into “filename.json.txt” ...