In a chart, click the category axis that you want to change, or do the following to select the axis from a list of chart elements: Click anywhere in the chart. This displays the Chart Tools, adding the Design, Layout, and Format tabs.
9 Answers. Since Excel 2007 (Windows) and Excel 2008 (Mac), the number of rows in a .xlsx, .xlsm or .xlsb worksheet is fixed at 1,048,576. That is 2^20. Excel only stores the data and formatting actually used, so there is no penalty for having such a large number of rows in every worksheet.
Originally Answered: How many rows and columns are in a single worksheet? Would you believe that Excel has a formula that will tell you the answer? How great is that!