diff --git a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/App.cpp b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/App.cpp
index 47f77e36cf..792849c154 100644
--- a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/App.cpp
+++ b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/App.cpp
@@ -2,8 +2,10 @@
 #include "App.xaml.h"
 #include "MainWindow.xaml.h"
 
-using namespace winrt;
-using namespace Microsoft::UI::Xaml;
+namespace winrt
+{
+    using namespace Microsoft::UI::Xaml;
+}
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -20,7 +22,7 @@ namespace winrt::$safeprojectname$::implementation
         // See https://github.com/microsoft/cppwinrt/tree/master/nuget#initializecomponent
 
 #if defined _DEBUG && !defined DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION
-        UnhandledException([](IInspectable const&, UnhandledExceptionEventArgs const& e)
+        UnhandledException([](winrt::IInspectable const&, winrt::UnhandledExceptionEventArgs const& e)
         {
             if (IsDebuggerPresent())
             {
@@ -35,9 +37,9 @@ namespace winrt::$safeprojectname$::implementation
     /// Invoked when the application is launched.
     /// </summary>
     /// <param name="e">Details about the launch request and process.</param>
-    void App::OnLaunched([[maybe_unused]] LaunchActivatedEventArgs const& e)
+    void App::OnLaunched([[maybe_unused]] winrt::LaunchActivatedEventArgs const& e)
     {
-        window = make<MainWindow>();
+        window = winrt::make<MainWindow>();
         window.Activate();
     }
 }
diff --git a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/MainWindow.cpp b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/MainWindow.cpp
index d6d47e7619..6aa751203c 100644
--- a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/MainWindow.cpp
+++ b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/MainWindow.cpp
@@ -4,8 +4,10 @@
 #include "MainWindow.g.cpp"
 #endif
 
-using namespace winrt;
-using namespace Microsoft::UI::Xaml;
+namespace winrt
+{
+    using namespace Microsoft::UI::Xaml;
+}
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
diff --git a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/App.cpp b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/App.cpp
index 47f77e36cf..792849c154 100644
--- a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/App.cpp
+++ b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/App.cpp
@@ -2,8 +2,10 @@
 #include "App.xaml.h"
 #include "MainWindow.xaml.h"
 
-using namespace winrt;
-using namespace Microsoft::UI::Xaml;
+namespace winrt
+{
+    using namespace Microsoft::UI::Xaml;
+}
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -20,7 +22,7 @@ namespace winrt::$safeprojectname$::implementation
         // See https://github.com/microsoft/cppwinrt/tree/master/nuget#initializecomponent
 
 #if defined _DEBUG && !defined DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION
-        UnhandledException([](IInspectable const&, UnhandledExceptionEventArgs const& e)
+        UnhandledException([](winrt::IInspectable const&, winrt::UnhandledExceptionEventArgs const& e)
         {
             if (IsDebuggerPresent())
             {
@@ -35,9 +37,9 @@ namespace winrt::$safeprojectname$::implementation
     /// Invoked when the application is launched.
     /// </summary>
     /// <param name="e">Details about the launch request and process.</param>
-    void App::OnLaunched([[maybe_unused]] LaunchActivatedEventArgs const& e)
+    void App::OnLaunched([[maybe_unused]] winrt::LaunchActivatedEventArgs const& e)
     {
-        window = make<MainWindow>();
+        window = winrt::make<MainWindow>();
         window.Activate();
     }
 }
diff --git a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/MainWindow.cpp b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/MainWindow.cpp
index d6d47e7619..6aa751203c 100644
--- a/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/MainWindow.cpp
+++ b/dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/MainWindow.cpp
@@ -4,8 +4,10 @@
 #include "MainWindow.g.cpp"
 #endif
 
-using namespace winrt;
-using namespace Microsoft::UI::Xaml;
+namespace winrt
+{
+    using namespace Microsoft::UI::Xaml;
+}
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.