Article ID: 2420856 - View products that this article applies to.
How to save a site as a template in SharePoint 2010
Installing application templates for Windows SharePoint Services 3.0
Microsoft is not releasing new versions of these templates for SharePoint 2010 Products. Also, .stp files are deprecated in SharePoint 2010 Products and cannot be used to create new sites when you upgrade to SharePoint Server 2010 or SharePoint Foundation 2010.
Considerations for specific SharePoint customizations
Cannot find new versions of the SharePoint Fabulous 40 application templates
SharePoint .Stp files are not working after upgrade
Troubleshoot upgrade issues (SharePoint Server 2010)
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.