Yes, there is an add-on available that you can use with any Office tool, including Outlook. To add this add-on into Outlook, open it, go to File > Options > Add-ins > Manage > COM Add-ins > Go. In the COM add-ins dialog box, select Lync Meeting Add-in for Microsoft Office 2013 check-box and then click OK. You need to have installed Outlook 2013 and be logged in with an Administrator account. to activate the add-on.