Slides can be sorted using the slide sorter from the menu bar using 'View -> Slide Sorter'. The slides are displayed
as thumbnails and can be sorted as required. Sort Slides in Microsoft Powerpoint 2002
In the example, slides are sorted using the 'Slide Sorter' as thumbnails.
The order of slides are rearranged manually easily using this option.
At the bottom of the Slide pane also, there are icons to sort slides or swich to normal view.