diff --git a/strings/base_string.h b/strings/base_string.h
index 6b1fb37b5..b5642e4e3 100644
--- a/strings/base_string.h
+++ b/strings/base_string.h
@@ -719,8 +719,18 @@ WINRT_EXPORT namespace winrt
             return{};
         }
 
+#if defined(__cpp_lib_string_resize_and_overwrite) && __cpp_lib_string_resize_and_overwrite >= 202110L
+    	std::string result;
+    	result.resize_and_overwrite(size, [&](char* buffer, std::size_t) -> std::size_t
+    		{
+    			auto bytes_written = WINRT_IMPL_WideCharToMultiByte(65001 /*CP_UTF8*/, 0, value.data(), static_cast<std::int32_t>(value.size()), buffer, size, nullptr, nullptr);
+    			WINRT_VERIFY_(size, bytes_written);
+    			return bytes_written == size ? size : 0;
+    		});
+#else
         std::string result(size, '?');
         WINRT_VERIFY_(size, WINRT_IMPL_WideCharToMultiByte(65001 /*CP_UTF8*/, 0, value.data(), static_cast<std::int32_t>(value.size()), result.data(), size, nullptr, nullptr));
+#endif
         return result;
     }
 }