How to Find Out Which Version of Microsoft Office You’re Using
 

Many of us use Microsoft Office programs daily, but you may forget which version of Office you’re running. If you need to know which edition of Office you have, as well as which architecture (32-bit or 64-bit), we’ll show you how to quickly find this information on Windows and Mac.

http://www.howtogeek.com/288001/how-...e-youre-using/