Leave Office applications closed while you go through this process. Before you remove Office for Mac 2011, quit all Office applications and make sure there”s nothing in Trash that you want to keep. To uninstall Office for Mac 2011 move the applications to the Trash.Once you”ve removed everything, empty the Trash and restart your Mac to complete the process. Download Microsoft Office 2004 for Mac to use Word, Excel, PowerPoint and Entourage suite.