In Excel, the Fill Series feature allows you to quickly fill a range of cells with a series of data, such as a list of dates, numbers, or text. To use the Fill Series feature: Select the first cell in the range where you want to create the series. Type the first value in the series. Select the next cell or cells in the range where you want to create the series. Go to the Home tab, in the Editing group, click on the Fill drop-down arrow and then click on Series. In the Series dialog box, select the type of series you want to create (e.g. Linear, Date, AutoFill) and set any additional options as needed. Click OK to create the series. Note that you can also use the Fill Handle to fill a series. To do this, select the first cell of the series, and then drag the fill handle (the small black square at the bottom-right corner of the selected cell) to the last cell of the range where you want to create the series. You can also use the Ctrl + R to fill right and Ctrl + D to fill down. Ex...