Microsoft has released an update for the Mac Version of Microsoft Office
This update fixes critical issues. For more information about this update, please visit the Microsoft Web site.Microsoft Office 2011 14.2.4 Update
Applies to: Office 2011, Office 2011 Home and Business Edition, Word 2011, Excel 2011, PowerPoint 2011, Outlook 2011, Office for Mac Standard 2011 Edition, Microsoft Office for Mac Home & Student 2011, and Microsoft Office for Mac Academic 2011