diff --git a/cfg/microsoft_gsl.cfg b/cfg/microsoft_gsl.cfg
new file mode 100644
index 00000000000..97ba7534706
--- /dev/null
+++ b/cfg/microsoft_gsl.cfg
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<def>
+  <define name="Expects(x)" value=""/>
+  <define name="Ensures(x)" value=""/>
+  <define name="GSL_SUPPRESS(x)" value=""/>
+  <podtype name="gsl::index" sign="s"/>
+  <container id="gslSpan" startPattern="gsl :: span" inherits="stdSpan">
+  </container>
+  <smart-pointer class-name="gsl::owner"/>
+  <smart-pointer class-name="gsl::not_null"/>
+  <!-- non-existing in C++ Core Guidelines -->
+  <smart-pointer class-name="gsl::strict_not_null"/>
+  <!-- Deprecated in GSL -->
+  <podtype name="gsl::byte" sign="u" size="1"/>
+  <smart-pointer class-name="gsl::unique_ptr"/>
+  <smart-pointer class-name="gsl::shared_ptr"/>
+</def>