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?

If the DAT file you're trying to open is text, you can convert the file into text in the Microsoft Excel program by first saving it as a CSV file.

Comma-separated value (CSV) files are simplified versions of the type of spreadsheets you create with Excel and similar software. However, if you're trying to share data with people who use ...