Hi,
For multiple users, you would need something like SharePoint Server so it
can be checked in and out. apart from that, you cans end a document for
review.IN 2007, the user can use the Review tab. In previous versions such
as 2003, you can go File| Send to| Mail recipient (for Review).

Signature
Regards,
Glen Millar
Microsoft PPT MVP
Please tell us your PowerPoint version
Tutorials and PowerPoint animations at
the original www.pptworkbench.com
glen at pptworkbench dot com
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> Is it possible to share a powerpoint file like you can 'share workbook' in
> excell?
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>
> Thanks