After January 2020, if you use Microsoft 365 Apps for enterprise on a Windows 7-based computer, Microsoft 365 Apps for enterprise won't receive any new feature updates. However, to provide some more time to make the transition to Windows 10 or other supported Windows operating system, Microsoft 365 Apps for enterprise will receive security updates through 2023.
Windows 7 ESU will have no effect on support for Microsoft 365 Apps for enterprise on Windows 7. Office 365 is governed by the Modern Lifecycle Policy that requires organizations to stay current per the servicing and system requirements for the product or service. These requirements include using Microsoft 365 Apps for enterprise on a Windows operating system that is currently in support.
We strongly advise against using Microsoft 365 Apps for enterprise on Windows 7. Using a modern cloud-backed client on an older, unsupported operating system may, over time, cause performance and reliability issues. Learn more about the relationship between Microsoft 365 Apps for enterprise and Windows 7 end of support.
Note
This information also applies to Office 365 Business. This is the version of Office that is included together with certain business plans, such as the Microsoft 365 Business and Office 365 Business Premium.