If you have Microsoft Office 2011 Student Edition already installed on your Mac when you install Outlook 2011, it may ask for a product key when you try to open the application. This is because the Student Edition of Office 2011 comes with a trial version of Outlook 2011. To fix this issue, follow the steps below.
- Uninstall both Office 2011 Student Edition and Outlook 2011
- Install Office 2011 Student Edition. Choose a custom install type, and deselect the Outlook 2011 Trial component
- Reinstall Outlook 2011