VS2010 and VS2008 project compatibility

Question

Does anyone know if VS2010 will use the same project & solution file format as 2008, or will the 2008 project files need to be upgraded to 2010 format before they\'ll op

Answer 1

Open solution file (.sln) in notepad and change Microsoft Visual Studio Solution File, Format Version 11.00

Visual Studio 2010

to Microsoft Visual Studio Solution File, Format Version 10.00

Visual Studio 2008

Then open the solution file from Visual studio 2008