Instructions. 1  In a medium-size saucepan, over medium-high heat, whisk together the water and maple syrup. 2  Whisk the cocoa powder into the water/syrup mixture until the powder is fully dissolved. 3  Remove the chocolate syrup from the heat.  Store the syrup in a container in the fridge for several months.
File extensions are related to the file format, which is a computer programming term that specifies how information is coded for storage in a computer file. In the case of Excel, the current default file extension is XLSX and has been since Excel 2007. Prior to that, the default file extension was XLS. The difference between the two - besides the addition of the second X - is that XLSX is a XML-based open file format, while XLS is a proprietary Microsoft format.
Updated November 09, 2016. A file with the XLS file extension is a Microsoft Excel 97-2003 Worksheet file. Later versions of Excel save spreadsheet files in the XLSX format by default. XLS files store data in tables of rows and columns with support for formatted text, images, charts, and more.