How to download/identify mscal.ocx file in office 2010

Hi

Can anyone please help me to identify/download Microsoft's ActiveX Calendar Control file (mscal.ocx) for office 2010 in my laptop.

Because one of my program coding done by office 2003, so i have to run same program in office 2010. please help to identify for above file.

Please...Please..
regrds,