How to open a JSON file on Windows 10 and 11 (step by step)

Learn how to open a JSON file on Windows 10 and 11.

You don't need an extra third-party program to open JSON files on Windows 10 and 11, but you can use a program that's already installed in Windows 10 or 11.

JSON (JavaScript Object Notation) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays (or other serializable values).

How to open a JSON file on Windows 10 and 11

1. Open File Explorer (Windows Explorer).

Windows 11 File Explorer

2. Within File Explorer, you navigate to the JSON file.

3. Double-click on the JSON file.

4. A small window will appear. Within this window, you click on More apps.

How do you want to open this file? window in Windows 11

5. Select Notepad. Windows Notepad is a simple text editor for Windows.

6. Make sure the Always use this app to open .json files option is selected.

7. Click on the OK button.

Open a JSON file on Windows 11

Notepad will now open the JSON file.

If you want a more advanced Notepad, then I recommend Notepad++.