diff --git a/PCbuild8/build.bat b/PCbuild8/build.bat
index 8c61a703133..ba21390ac95 100644
--- a/PCbuild8/build.bat
+++ b/PCbuild8/build.bat
@@ -14,4 +14,15 @@ if "%1"=="-r" (set build=/rebuild)    & shift & goto CheckOpts
 
 set cmd=devenv pcbuild.sln %build% "%conf%|%platf%"
 echo %cmd%
-%cmd%
\ No newline at end of file
+%cmd%
+
+rem Copy whatever was built to the canonical 'PCBuild' directory.
+rem This helps extensions which use distutils etc.
+rem (Don't check if the build was successful - we expect a few failures
+rem due to missing libs)
+echo Copying built files to ..\PCBuild
+if not exist %platf%%conf%\. (echo %platf%%conf% does not exist - nothing copied & goto xit)
+if not exist ..\PCBuild\. (echo ..\PCBuild does not exist - nothing copied & goto xit)
+xcopy /q/y %platf%%conf%\* ..\PCBuild\.
+
+:xit