If AutoFill is not working in Excel, check if it is enabled or not. Thhis article contains some effective solutions that will help you.

To copy the same formula to other cells in Excel is easy, and you can use keyboard shortcuts, AutoFill or Copy and Paste command.

You can save time by creating an AutoFill series in Excel 2003 as follows: Enter the values and then select the list. Choose Options from the Tools menu. Click the Custom Lists tab. Click Import.