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.

If I knew who to credit, I would. When you select a cell, Excel displays a green border around that cell, the active cell. When you move to another cell or range, Excel removes the green border ...

The easiest way to apply a border to a range of cells in Microsoft Excel is to use the border tool from the ribbon's Font tab. This tool instantly surrounds a range of cells with a single border ...

Your mouse pointer will turn into a pencil icon. Move the pencil over the cell border where you want to apply the color and click to apply it. To customize the gridlines in your Excel worksheet ...