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 more comfortable 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 a 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 another criterion.

Use SUMIF if you need to sum values for a particular person or another criterion.

Usually, you can view formula in the Excel the cell when cell is selected, but you can protect a spreadsheet to hide formulas in some cells.

If your worksheet contains comments, you can print them as they appear on the sheet or at the end of the sheet.

When a comment has been inserted in a cell, the little red triangle is being displayed to indicate a comment in a cell. This tip is how to hide/display this indicator.

This tip describes how to place into one cell both column and row header known as an elbow.