Microsoft Office Training and Tutorials offers several free training courses and videos to learn Excel. As of 2015, it offers learning materials for the 2007, 2010 and 2013 versions of Excel. In addition, free courses for learning mobile, online and Mac versions of Excel are available.
Basic courses for Excel include learning how to use formulas and functions to manipulate numbers, create graphic representations of data and refer to cells through their column letters and row numbers. Once users understand the basics, they can proceed to learning Excel's intermediate and advanced features, such as logical headers and footers, operators, macros and conditional formatting. In addition to training, Microsoft offers certifications to professionals as proof of their proficiency in using Excel and other Office applications.