Make an Autoshape go smaller:

You've drawn an AutoShape and it will simply not go any smaller by sizing it manually. e.g.. a circle indicating places on a map
1. Select the AutoShape with the mouse
2. Right click it and choose "Format AutoShape"
3. Then either enter a new "height" and "width" or
4. Enter new values in the "scale" boxes
e.g. height 50% and width 50% will half the size of the shape.