Microsoft Office 2016 for Mac version 16.12, released around April 2018, introduced several cross-suite enhancements and specific updates for Outlook.
: These apps received general improvements to sharing and collaboration workflows to match the updated cloud-syncing capabilities. Technical Context Microsoft Office 2016 for Mac 16.12
: Starting with version 15.25, Office 2016 for Mac moved to a 64-bit default. Version 16.12 is part of the 16.x release cycle, which is strictly 64-bit. Microsoft Office 2016 for Mac version 16