Full Name:
vs.UpgradeProjectSolution.8.0

Short Name:
vs.UpgradeProjectSolution.8.0

Type of Entity:
C#

Abstract:
Use this wizard to convert your solution or project to the project file format that is used by this version of Visual Studio. The converted solution or project will be created in the same location as the current solution or project and a backup copy can be created before conversion. All projects in a solution are converted.

MSDN Source URL:
http://msdn2.microsoft.com/60z6y467.aspx