You are not able to drag page breaks in Page Break Preview in Excel

To work around this problem in Microsoft Excel 2000, in Microsoft Excel 2002, and in Microsoft Office Excel 2003, follow these steps:
On the Tools menu, click Options.
On the Edit tab, click to select the Allow cell drag and drop check box, and then click OK.To work around this problem in Excel 2007, follow these steps:
Click the Microsoft Office Button, click Excel Options, and then click the Advanced tab.
Click to select the Enable fill handle and cell drag-and-drop check box, and then click OK.