You should display the Developer tab when you want to write macros, run macros that you previously recorded, or create applications to use with Microsoft Office programs. Do the following:
If you work with the same workbooks every day it will be helpful to open specific workbook files automatically whenever you start Excel. Any workbooks placed in the XLStart folder open automatically.
Like a common text, any comments can be formatted: Excel represents many allows you to customize most aspects of its appearance, including color, border, and margins.
Normally, cell comments are rectangular, but you can give a cell comment any shape you want:
You can make a worksheet more visually appealing and easier to read by centering text across multiple columns. Often you do this by merging and centering the merged cells, but it is not the only option.
If you are creating chart or diagram in Excel with shapes, you might need to update the shape text automatically depending on the value in a particular cell.
In some cases, you may want to change columns and rows in your data range for more convenient and impressive view. Excel proposes the fast and simple way to change columns and rows in the data range.
Use COUNTIF if you need to sum values for a particular person or other criterion.
Use SUMIF if you need to sum values for a particular person or other criterion.
Usually you can view a formula in the Excel cell when cell is selected, but you can protect spreadsheet to hide formulas in some cells.