Office SharePoint Designer 2007 provides you with tools to automate your business processes, build efficient applications on top of the Microsoft SharePoint platform, and tailor your SharePoint site to your needs, all in an IT-managed environment.
It provides the professional-quality design tools you need to create great-looking SharePoint pages that are compatible with a wide range of browsers... (
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The program works with the following extensions:
pdt,
psw,
pwd,
pwi,
pwt,
fwp,
dot,
dotm,
dotx,
dothtml,
dochtml and
spdesignjs