Yes, MS Works is a qualifying product for MS Office 2003 Professional Edition.
In the case of a crossgrade it would usually be a cleaner way to go to backup your files, uninstall the first Office 2003 edition,
restart the computer then install the new edition.
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I have Works 8 from my old computer, can I install it and use an upgrade to
Office 2003 professional (I have aready purchased it, sales person said it
was what I needed) it says it is compatable.......... Would I have to
delete the Office 2003 Standard that was on the computer when I bought it?
Thanks >>
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Let us know if this helped you,
Bob Buckland ?
MS Office System Products MVP
*Courtesy is not expensive and can pay big dividends*
For Everyday MS Office tips to "use right away" -
http://microsoft.com/events/series/administrativetipsandtricks.mspx