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Excel spreadsheet coding written on Windows XP Pro with Excel 2003. Need to convert it from Excel 2003 to Excel 365 in Windows 10. What the spreadsheet does is it tracks daily weekly and monthly exponential moving averages of stock prices and give specific calendar daily weekly and monthly values. So it is not hard to create a spreadsheet tracking exponential moving averages, but what this spreadsheet does is it adheres Faithfully to the calendar dates involved on a daily weekly and monthly basis. Just need to just need someone to converted from Office 2003 to Office 365.