diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..409a644
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,15 @@
+* text=auto
+
+# ClickOnce publish output must be byte-identical to the hashes recorded
+# in dll.manifest at publish time. Treat everything under Publish/ as
+# binary so git's CRLF/LF normalization can't change the bytes between
+# what VS published and what end-users download via setup.exe.
+Publish/** -text
+
+# Defense in depth — apply the same rule to ClickOnce extensions
+# regardless of where they live.
+*.deploy      binary
+*.manifest    binary
+*.vsto        binary
+*.application binary
+*.pfx         binary
diff --git a/Publish/Application Files/MarcusLaw.OutlookAddin_1_0_0_5/MarcusLaw.OutlookAddin.dll.config.deploy b/Publish/Application Files/MarcusLaw.OutlookAddin_1_0_0_5/MarcusLaw.OutlookAddin.dll.config.deploy
index 242b1d2..e184124 100644
--- a/Publish/Application Files/MarcusLaw.OutlookAddin_1_0_0_5/MarcusLaw.OutlookAddin.dll.config.deploy	
+++ b/Publish/Application Files/MarcusLaw.OutlookAddin_1_0_0_5/MarcusLaw.OutlookAddin.dll.config.deploy	
@@ -1,35 +1,35 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <runtime>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Bcl.AsyncInterfaces" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="8.0.0.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Extensions.DependencyInjection.Abstractions" publicKeyToken="adb9793829ddae60" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-8.0.0.2" newVersion="8.0.0.2" />
-      </dependentAssembly>
-    </assemblyBinding>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.ComponentModel.Annotations" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.1.0" newVersion="4.2.1.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
-      <dependentAssembly>
-        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
-      </dependentAssembly>
-    </assemblyBinding>
-  </runtime>
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Bcl.AsyncInterfaces" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="8.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Extensions.DependencyInjection.Abstractions" publicKeyToken="adb9793829ddae60" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.2" newVersion="8.0.0.2" />
+      </dependentAssembly>
+    </assemblyBinding>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.ComponentModel.Annotations" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.2.1.0" newVersion="4.2.1.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>
\ No newline at end of file