: The applications (Word, Excel, PowerPoint, etc.) will still open and work as expected. However, they lack modern cloud-integrated features found in Microsoft 365, such as AI-driven co-authoring and advanced data types.
: For IT administrators, Office 2019 uses the Office Deployment Tool (ODT) for installation, which utilizes "Click-to-Run" technology rather than the traditional Windows Installer (MSI) used by Office 2016. Key Differences at a Glance Office 2016 Office 2019 Technology Windows Installer (MSI) Click-to-Run Updates Security/Stability only Security + fixed feature set Key Additions Standard Office features LaTeX support, Morph/Zoom in PPT Support Status Ended (Oct 2025) Ended (Oct 2025) Microsoft.Office.2016-2019x64.v2022.04.iso
While these versions remain popular for users who prefer a one-time purchase over a subscription, Microsoft officially ended extended support for both suites on . Using Office 2016 & 2019 in 2026: What You Need to Know : The applications (Word, Excel, PowerPoint, etc