The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.

How to Keep the Active Cell in Excel. 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 ...

To copy the same formula to other cells in Excel is easy, and you can use keyboard shortcuts, AutoFill or Copy and Paste command.