or download this
require Win32::OLE::Const;
Win32::OLE::Const->import( 'Microsoft Excel' );
...
No type library matching "Microsoft Excel" found at - line 2
Win32::OLE(0.1702): GetOleTypeLibObject() Not a Win32::OLE::TypeLib ob
+ject at
c:/Perl/site/lib/Win32/OLE/Const.pm line 45.