This update fixes critical issues and also helps to improve security. Microsoft Office for Mac 2011 14.7.7 Update. Office 2016 for Mac is a version of Office that’s available as a one-time purchase from a retail store or through a volume licensing agreement. The following information is primarily intended for IT professionals that are deploying Office for Mac to the users in their organizations. Office for Mac that comes with an Office 365 subscription is updated on a regular basis to provide new features, security updates, and non-security updates.