Functions, graphs, tools studied in the course work in versions of Excel 2007, 2010, 2013, 2016, 2019, 2021, Office 365.
Versions 2007 and 2010 may have minor functional limitations.
The courses are built for the Windows version of Excel. If you have the Mac version of Excel, then be prepared for the fact that there are differences in interface and functionality between programs for Windows and for Mac.