If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

Now, opening a JSON file is not hard, however, it would make more sense to convert it to the Microsoft Excel (CSV) format for easier use. The question is, how does one convert a JSON file to Excel?

Open Folder Options in the control panel. Go to the File Types tab, scroll down to Microsoft Excel Worksheet (.xls not .csv) and click Advanced.