In a medium-size saucepan, over medium-high heat, whisk together the water and maple syrup. Bring the water/syrup mixture to a boil. Once boiling, reduce the heat to medium-low. Whisk the cocoa powder into the water/syrup mixture until the powder is fully dissolved. Simmer for 2 minutes.
The xltm file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more. The *.xltm files are used in Microsoft Excel 2007/2010 for template documents with macros enabled.
The easiest way to open an XLTM file is to double-click on it and let your PC decide which default application should open the file. If no program opens the XLTM file then you probably don't have an application installed that can view and/or edit XLTM files.