Specifications Version Differences The Microsoft Office for Mac 2011 Home and Student version includes Word, Excel and PowerPoint, as well as the possibility of technical support for 90 days. The Microsoft Office version for Mac 2011 "For Home and Business" includes Word, Excel, PowerPoint and Outlook, as well as the possibility of technical support for 1 year (Outlook combines an email client, calendar, address book and organizer) System requirements Mac computer with an Intel processor Mac OS X 10.5.8 and higher At least 1 GB of RAM 2.5 GB free hard disk space Some features require an active internet connection and a Windows Live ID account.