How to Change the Default Font in Microsoft Excel

If we working with Microsoft Excel 2007 , How can we change default font in Microsoft Excel ?

Click Office Button

Click "Excel Options"

following window will open.

Select font and change also size.

NOTE   You must restart Microsoft Office Excel to begin using the new default font and font size. The new default font and font size are used only in new workbooks that you create after you restart Excel. Existing workbooks are not affected.