How to export JSON to Excel

How can I export JSON to Excel. Click a button create the JSON (i can do this) export to EXCEL send to browser/download?
Can't seem to find a good example.
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Brad GrouxSenior Manager (Wintel Engineering)Commented:
I have attached an HTML and JavaScript file to this message (code below). Download the HTML file, and rename your JSON file to json.js and put it in the same folder as the HTML file. Navigate to the HTML file in your browser, and it should prompt you to save a .CSV of your JSON.

Create a .HTML file utilizing this HTML and JavaScript below:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
    <title>JSON to CSV</title>
    <script src="scripts/json.js" type="text/javascript"></script>
    <script type="text/javascript">
    var json3 = { "d": "[{\"Id\":1,\"UserName\":\"Sam Smith\"},{\"Id\":2,\"UserName\":\"Fred Frankly\"},{\"Id\":1,\"UserName\":\"Zachary Zupers\"}]" }


    function DownloadJSON2CSV(objArray)
        var array = typeof objArray != 'object' ? JSON.parse(objArray) : objArray;

        var str = '';

        for (var i = 0; i < array.length; i++) {
            var line = '';

            for (var index in array[i]) {
                line += array[i][index] + ',';

            // Here is an example where you would wrap the values in double quotes
            // for (var index in array[i]) {
            //    line += '"' + array[i][index] + '",';
            // }


            str += line + '\r\n';
        } "data:text/csv;charset=utf-8," + escape(str))


    <h1>This page does nothing....</h1>

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JElsterAuthor Commented:
How can I include the Column names? Like Username on the first row
JElsterAuthor Commented:
Also, how can I include the file extension
Vijay SoniCommented:
can i add style for excel cell like font color, background color?
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