Excel 2007, Excel 2010, Excel 2013 and Excel 2016 are known for its various styles and formatting that gives an attractive appearance. Microsoft brings up the gradient styles and a number of new colors. Essential XlsIO supports formatting cells with gradient and RGB colors. This sample demonstrates Essential XlsIO's support for various styles and formatting in Excel 2007, Excel 2010, Excel 2013 and Excel 2016 formats. Both built-in styles and custom styles using the interior method IStyle are used for setting gradient styles.