Outlook 2007 help

Hi
When viewing a business contact on MS Office Outlook 2007, on the ribbon under the "show" group, there should be a communication history button which allows me to feed in dated and timed noted in relation to the contact. This button is missing for me. Any ideas? :-?
When viewing a business contact on MS Office Outlook 2007, on the ribbon under the "show" group, there should be a communication history button which allows me to feed in dated and timed noted in relation to the contact. This button is missing for me. Any ideas? :-?