http://answers.microsoft.com/ja-jp/office/forum/office_2013_release-excel/excel2013%e4%bd%9c%e6%a5%ad%e4%b8%ad%e3%81%ab/ddb51f63-c254-49c7-9a69-43070e747770?msgId=4c0c9b55-bd35-466e-a700-75d54d5be9aa