14.7.7 is the very last update to 2011. And Factory support is no more. However; many people still use 2011, and many on these forums may be of help. 16.11 is the latest Market version of the Office 365/2016 applications. In the Microsoft Office 2011 14.7.7 Update volume window, double-click the Office 2011 14.7.7 Update application to start the update process, and then follow the instructions on the screen. If the installation finishes successfully, you can remove the update installer from your hard disk.
Office 2011 for Mac installs some of its dependent components in System areas. Frequently, after an operating system update, this release of Office for Mac will stop working. The solution is to completely remove it per Microsoft instructions, and reinstall it — followed by all updates through 14.7.7 (Fall 2017). Have your Office 2011 for Mac license key available before embarking on this mission.
Microsoft Office For Mac Download
Microsoft never tested Office 2011 for Mac against macOS High Sierra 10.13, and neither recommends it, nor supports it after Oct 2017. Microsoft recommends updating to the latest version of Office 2016 for Mac which they do support.
Microsoft Office For Mac 2011 Update 14.7.7 Download