diff --git a/include/mshtmdid.h b/include/mshtmdid.h
index e65a049e74..722686a567 100644
--- a/include/mshtmdid.h
+++ b/include/mshtmdid.h
@@ -1759,6 +1759,10 @@
 #define DISPID_IHTMLSELECTIONOBJECT_CLEAR         (DISPID_SELECTOBJ+3)
 #define DISPID_IHTMLSELECTIONOBJECT_TYPE          (DISPID_SELECTOBJ+4)
 
+/* IHTMLSelectionObject2 */
+#define DISPID_IHTMLSELECTIONOBJECT2_CREATERANGECOLLECTION  DISPID_SELECTOBJ+5
+#define DISPID_IHTMLSELECTIONOBJECT2_TYPEDETAIL             DISPID_SELECTOBJ+6
+
 /* IHTMLSelection */
 #define DISPID_IHTMLSELECTION_ANCHORNODE          DISPID_HTMLSELECTION+1
 #define DISPID_IHTMLSELECTION_ANCHOROFFSET        DISPID_HTMLSELECTION+2
diff --git a/include/mshtml.idl b/include/mshtml.idl
index 0c5a8746ec..ba456774ec 100644
--- a/include/mshtml.idl
+++ b/include/mshtml.idl
@@ -9493,6 +9493,24 @@ interface IHTMLSelectionObject : IDispatch
     HRESULT type([retval, out] BSTR *p);
 }
 
+/*****************************************************************************
+ *    IHTMLSelectionObject2 interface
+ */
+[
+    odl,
+    oleautomation,
+    dual,
+    uuid(3050f7ec-98b5-11cf-bb82-00aa00bdce0b)
+]
+interface IHTMLSelectionObject2 : IDispatch
+{
+    [id(DISPID_IHTMLSELECTIONOBJECT2_CREATERANGECOLLECTION)]
+    HRESULT createRangeCollection([out, retval] IDispatch **rangeCollection);
+
+    [propget, id(DISPID_IHTMLSELECTIONOBJECT2_TYPEDETAIL)]
+    HRESULT typeDetail([out, retval] BSTR *p);
+}
+
 /*****************************************************************************
  *    IHTMLSelection interface
  */