Enhanced sync technology for Microsoft 365, Outlook.com, and Gmail accounts, resulting in faster mail delivery and calendar updates.
This version was part of the "New Outlook" transition period for Mac users. Microsoft Outlook 2019 VL v16.45
Support for Office 2016 and Office 2019 ended on October 14, 2025 and there will be no extension and no extended security updates. Microsoft Support Microsoft Office 2019 Volume License Pack Enhanced sync technology for Microsoft 365, Outlook
Advanced speech-to-text capabilities for composing emails and calendar events. Enhanced sync technology for Microsoft 365
macOS (optimized for both Intel and Apple Silicon Macs via Universal binaries).