The same will be true for Windows 8.1 when it reaches its end of support date on January 10, 2023.
However, Windows 8 itself no longer receives security updates, leaving it vulnerable to security threats. Non-subscription versions of Office, such as Office Home & Student, Office Home & Business, or Office Professional Plus, will continue to be fully supported based on the Fixed Lifecycle Policy. Windows 8, Windows 8.1, and other versions of Office
MICROSOFT OFFICE 2019 FREE DOWNLOAD FOR WINDOWS 8.1 UPGRADE
If you're not ready to upgrade at this time, Office on the web is an available alternative. In order to continue to receive Microsoft 365 product updates, we recommend upgrading Windows 8 or 8.1 to a supported operating system. After that date, if you're running Microsoft 365, you'll no longer receive updates for the Office apps this includes feature, security, and other quality updates. Windows 8.1 reaches end of support on January 10, 2023. Therefore, if you're using Microsoft 365 on a computer running Windows 8 and are configured for automatic updates, you'll no longer receive updates for the Office apps, including feature, security, and other quality updates. Windows 8 went out of support on Januand no longer receives security updates. Windows 8, Windows 8.1, and Microsoft 365 As a valuable Office subscriber, we want to continue to provide a stable Office experience. Using Microsoft 365 on older, unsupported operating systems may cause performance and reliability issues over time. Microsoft 365 is governed by the Modern Lifecycle Policy which requires customers to stay current as per the servicing and system requirements for the product or service, including using Microsoft 365 on a Windows operating system that is currently in support. Microsoft 365 and the Modern Lifecycle Policy