The prices for the 2011 editions of Office compare to $149 for the Home and Student Edition of Office 2008 and $399 for Office 2008 for Mac Business Edition. The Home and Office edition will cost $199 for a single license and $279 for a multi-pack that allows two installs on two machines. Outlook replaces Entourage as Office's mail client and is one of the centrepiece changes of the 2011 edition of the productivity suite. Microsoft Office for Mac Home and Business 2011 includes Word, PowerPoint, Excel, and Messenger, along with Outlook for the Mac.