that file is created by Windows in a folder when you view files in that
folder in Thumbnail view. It is a cache file for viewing the Thumbnails. It
can be deleted any time. It has nothing to do with Publisher. You do not
want to include it in a web site.

Signature
David Bartosik - MS MVP
for Publisher help:
www.davidbartosik.com
enter to win Pub 2003:
www.davidbartosik.com/giveaway.aspx
> When I click the "Publish to the web button" I'm saving
> it to a folder on my hard drive which i later upload
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> purpose. Do I really need this file.
> Thank you