diff --git a/src/GraphControl/Control/Equation.cpp b/src/GraphControl/Control/Equation.cpp
index a5072dfa1..945949a23 100644
--- a/src/GraphControl/Control/Equation.cpp
+++ b/src/GraphControl/Control/Equation.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "Equation.h"
 
diff --git a/src/GraphControl/Control/Equation.h b/src/GraphControl/Control/Equation.h
index 7ee4df9af..1247b42db 100644
--- a/src/GraphControl/Control/Equation.h
+++ b/src/GraphControl/Control/Equation.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 namespace GraphControl
diff --git a/src/GraphControl/Control/EquationCollection.h b/src/GraphControl/Control/EquationCollection.h
index c6b86ab66..5d2e2d12e 100644
--- a/src/GraphControl/Control/EquationCollection.h
+++ b/src/GraphControl/Control/EquationCollection.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 #include "Equation.h"
diff --git a/src/GraphControl/Control/Grapher.cpp b/src/GraphControl/Control/Grapher.cpp
index bbf52749a..4ddb35032 100644
--- a/src/GraphControl/Control/Grapher.cpp
+++ b/src/GraphControl/Control/Grapher.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "Grapher.h"
 
diff --git a/src/GraphControl/Control/Grapher.h b/src/GraphControl/Control/Grapher.h
index 7fbfdd48d..8d383d866 100644
--- a/src/GraphControl/Control/Grapher.h
+++ b/src/GraphControl/Control/Grapher.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 #include "InspectingDataSource.h"
diff --git a/src/GraphControl/Control/InspectingDataSource.cpp b/src/GraphControl/Control/InspectingDataSource.cpp
index 4c96f46e0..abccdf896 100644
--- a/src/GraphControl/Control/InspectingDataSource.cpp
+++ b/src/GraphControl/Control/InspectingDataSource.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "InspectingDataSource.h"
 
diff --git a/src/GraphControl/Control/InspectingDataSource.h b/src/GraphControl/Control/InspectingDataSource.h
index 457f05339..b6cead395 100644
--- a/src/GraphControl/Control/InspectingDataSource.h
+++ b/src/GraphControl/Control/InspectingDataSource.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 namespace GraphControl
diff --git a/src/GraphControl/DirectX/ActiveTracingPointRenderer.cpp b/src/GraphControl/DirectX/ActiveTracingPointRenderer.cpp
index 34a7f2f49..66e986cf5 100644
--- a/src/GraphControl/DirectX/ActiveTracingPointRenderer.cpp
+++ b/src/GraphControl/DirectX/ActiveTracingPointRenderer.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "ActiveTracingPointRenderer.h"
 #include "DirectXHelper.h"
diff --git a/src/GraphControl/DirectX/ActiveTracingPointRenderer.h b/src/GraphControl/DirectX/ActiveTracingPointRenderer.h
index ac194bb18..a6c3702cd 100644
--- a/src/GraphControl/DirectX/ActiveTracingPointRenderer.h
+++ b/src/GraphControl/DirectX/ActiveTracingPointRenderer.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 namespace GraphControl::DX
diff --git a/src/GraphControl/DirectX/DeviceResources.cpp b/src/GraphControl/DirectX/DeviceResources.cpp
index a68f0f372..29e0415b8 100644
--- a/src/GraphControl/DirectX/DeviceResources.cpp
+++ b/src/GraphControl/DirectX/DeviceResources.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "DeviceResources.h"
 #include "DirectXHelper.h"
diff --git a/src/GraphControl/DirectX/DeviceResources.h b/src/GraphControl/DirectX/DeviceResources.h
index 3e0265fb6..92072ec86 100644
--- a/src/GraphControl/DirectX/DeviceResources.h
+++ b/src/GraphControl/DirectX/DeviceResources.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 // Modified from the default template for Xaml and Direct3D 11 apps.
diff --git a/src/GraphControl/DirectX/DirectXHelper.h b/src/GraphControl/DirectX/DirectXHelper.h
index 36579d0a4..9e74ce773 100644
--- a/src/GraphControl/DirectX/DirectXHelper.h
+++ b/src/GraphControl/DirectX/DirectXHelper.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 // Taken from the default template for Xaml and Direct3D 11 apps.
diff --git a/src/GraphControl/DirectX/NearestPointRenderer.cpp b/src/GraphControl/DirectX/NearestPointRenderer.cpp
index 80aff47f3..64b114e33 100644
--- a/src/GraphControl/DirectX/NearestPointRenderer.cpp
+++ b/src/GraphControl/DirectX/NearestPointRenderer.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "NearestPointRenderer.h"
 #include "DirectXHelper.h"
diff --git a/src/GraphControl/DirectX/NearestPointRenderer.h b/src/GraphControl/DirectX/NearestPointRenderer.h
index f21a03ace..791496545 100644
--- a/src/GraphControl/DirectX/NearestPointRenderer.h
+++ b/src/GraphControl/DirectX/NearestPointRenderer.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 namespace GraphControl::DX
diff --git a/src/GraphControl/DirectX/RenderMain.cpp b/src/GraphControl/DirectX/RenderMain.cpp
index 08568b429..3083c1817 100644
--- a/src/GraphControl/DirectX/RenderMain.cpp
+++ b/src/GraphControl/DirectX/RenderMain.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "RenderMain.h"
 #include "DirectXHelper.h"
diff --git a/src/GraphControl/DirectX/RenderMain.h b/src/GraphControl/DirectX/RenderMain.h
index 199066362..becde5bc6 100644
--- a/src/GraphControl/DirectX/RenderMain.h
+++ b/src/GraphControl/DirectX/RenderMain.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 // Taken from the default template for Xaml and Direct3D 11 apps.
diff --git a/src/MockGraphingImpl/Mocks/MathSolver.cpp b/src/MockGraphingImpl/Mocks/MathSolver.cpp
index 127a1d012..2ca159854 100644
--- a/src/MockGraphingImpl/Mocks/MathSolver.cpp
+++ b/src/MockGraphingImpl/Mocks/MathSolver.cpp
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #include "pch.h"
 #include "MathSolver.h"
 
diff --git a/src/MockGraphingImpl/Mocks/MathSolver.h b/src/MockGraphingImpl/Mocks/MathSolver.h
index b2b4c19d6..495fa3166 100644
--- a/src/MockGraphingImpl/Mocks/MathSolver.h
+++ b/src/MockGraphingImpl/Mocks/MathSolver.h
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #pragma once
 
 #include "GraphingInterfaces/IMathSolver.h"
diff --git a/src/MockGraphingImpl/dllmain.cpp b/src/MockGraphingImpl/dllmain.cpp
index fa2d7483a..637c7cc28 100644
--- a/src/MockGraphingImpl/dllmain.cpp
+++ b/src/MockGraphingImpl/dllmain.cpp
@@ -1,4 +1,7 @@
-#include "pch.h"
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#include "pch.h"
 
 BOOL APIENTRY DllMain(HMODULE /* hModule */, DWORD ul_reason_for_call, LPVOID /* lpReserved */)
 {