Formatting your worksheet is more than just making your worksheet pretty. Proper formatting can help users understand the purpose of the worksheet and help prevent data entry errors.
Stylistic formatting isn't essential for every workbook that you develop, especially if it's only for your own use. On the other hand, it takes only a few moments to apply some simple formatting and, after you apply it, the formatting will remain in place without further effort on your part.
Getting to Know the Formatting Tools
Figure 5.1 shows how even simple formatting can significantly improve a worksheet's readability. The unformatted worksheet (on the left) is perfectly functional but not very readable compared to the formatted worksheet (on the right).
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The Excel cell formatting tools are available in ...