When you need to lay out data in a regular grid, create a table. A table consists of cells, rectangular areas formed by the intersection of rows and columns. Each table can contain one or more rows and one or more columns.
NOTE: Excel uses the word table to mean a database created in a worksheet. Because Excel's worksheets have a grid structure, you don't need to create tables in them to lay out data the way you do in Word, PowerPoint, OneNote, and Outlook.
When you need to insert a regular table, use the Table button in the Insert group on the Insert tab of the Ribbon. Figure 3–15 shows you what to do.
NOTE: Instead of using the grid on the Table panel, you can click the Insert Table command ...