From your course, go to the File Manager. Click the icon next to File Manager, then click View WebDAV Info
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Then you will get the url to access your files.
If you are using Dreamweaver CS3, you need to add this patch before webdav will work. It took me all morning to find that fix, but here’s the url for the patch, http://kb.adobe.com/selfservice/viewContent.do?externalId=kb402079&sliceId=1
Hope this helps and please spread the information to anyone who uses WebCT 6.0 and Dreamweaver CS3.