Question : Powerpoint default font

The default font in Powerpoint 2007 is Calibri. How do I change the presentation to be another font, for example Tahoma, when I create a new powerpoint presentation? Do you have to change the master template?

Answer : Powerpoint default font

Straight from  the horses mouth:

http://office.microsoft.com/en-us/powerpoint-help/customize-and-save-a-theme-in-powerpoint-2007-HA010250106.aspx