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.

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.

If you have a line chart with two different data series, you might want to compare those series at each point along the horizontal axis. There are two different options for this, available in two locations along the Layout tab of the ribbon.

In some cases you may want to sort your data in non-standart ways. For example, if your data consists of month names, you usually want it to appear in month order rather than alphabetically.

You can make your Excel spreadsheets more appealing by choosing graphics file to serve as a background for a spreadsheet similar to the wallpaper that you may display on your Windows desktop.

You may not always want to copy everything from the source cells to the destination cells. For example, you may want to copy only the current values of formulas rather than the formulas themselves.

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:

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