If the Word program won't open, you want to repair or reinstall Word. This article looks like it has great descriptions and screenshots of how to do that: Automatically Diagnose and Repair Microsoft Office 2003, 2007, 2010, 2013, 2016, 365 • Raymond.CC. Microsoft Word for Mac 2011 [ Editor's note: This is a review of the final, shipping version of Microsoft Office 2011 for Mac, provided to Macworld by Microsoft in advance of the suite's general.
Word for Mac 2011 Excel for Mac 2011 Outlook for Mac 2011 PowerPoint for Mac 2011. All of your Office for Mac 2011 apps will continue to function. However, you could expose yourself to serious and potentially harmful security risks.
Upgrade to a newer version of Office so you can stay up to date with all the latest features, patches, and security updates. How you activate Office depends on whether you have an Office 365 subscription or a one-time purchase of Office. Office 365 subscription If you have an Office 365 subscription, you won’t need a product key to activate. Instead you’ll sign in with the email address that’s associated with Office. In the Get Started wizard, click Sign in to an existing Office 365 subscription.