Microsoft Excel 2013 surrounds the active cell with a dark border to help identify the cell you are editing. Pressing the Enter key after editing the cell moves the active cell to the next cell down.

A named range cannot be the same as a cell reference, like A1 or B$2. You can't call a range "R," "r," "C," or "c," as these references are reserved for other background uses in Excel.

By default, the active cell in Excel is noted by a green border. There’s no highlight or shading. Even if you change themes and colors, the active cell remains the same.

Open a New Worksheet; Launch Excel and create a new worksheet named "June." Type "Sales" in cell A1 and "1000" in cell B1. Do not place parentheses around these values.

Microsoft Excel updates cell references when you copy an expression. Here are a couple of workarounds for those rare occasions when you don't want to change the cell references.