In one file there's no way to do this with standard PowerPoint features. You
could get a short vba module written which would detect the divider pages and
start numbering again from 1.
Regards John

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> I want to be able to paginate slides according to sections within a single
> file. Thus, section one might have slides 1-5 and section two would have a
> different set of slides numbered 1-8 -- all in the same file.