The 14th of October 2025 marks another pivotal moment in Microsoft’s product lifecycle, as a large spectrum of very popular and widely deployed software reaches end-of-support. This includes Windows 10 and Windows 11 22H2. On the productivity front, the extended support for Office 2016 and 2019, along with Visio 2016/2019, Project 2016/2019, and server-side tools like Exchange Server 2016/2019, Skype for Business Server 2015/2019, Visual Studio 2015, and TFS (Azure DevOps Server) concludes on the same date. After this deadline, all of these products will no longer receive security fixes, bug patches, or technical support — leaving organisations exposed until they migrate to supported versions like Windows 11, Microsoft 365, Office LTSC, Azure-based services, or sign up for Extended Security Updates (ESUs). Note that ESU will not always be an option and it only provides the security update and support is limited in installing the security update.
Update: 15-7-2025 Exchange 2016/2019 Extended Security Update program announced
Microsoft recommends that customers upgrade to newer products and services well in advance of this date to not only enhance security and performance but also ensure compatibility with other modern tools and services, helping them stay productive and protected. After the October 2025 End of Support date, security updates and assistance from Microsoft ends for these major products leaving remaining customers vulnerable
Products that will exit out of extended support on the 14th October 2025 include:
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Windows 10
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Exchange Server 2016
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Exchange Server 2019
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Office 2016
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Office 2019
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SfB Server 2015
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SfB Server 2019
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Visio/Project 2016
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Visio/Project 2019
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Visual Studio 2015
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Visual Studio TFS 2015
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Note that certain versions of Windows 10 remain supported at this time. For example, Windows 10 Enterprise LTSC 2019 is supported until 9th January 2029.
Exchange Subscription Edition
Exchange 2016 & 2019 Both Exit Out of Extended Support on the same date. After this date, Subscription Edition (SE) will be the only supported version of Exchange.
Exchange Server 2019 follows the Fixed Lifecycle Policy. These fixed periods are also different than previous versions of Exchange. For example, Exchange 2010 had 5 years of mainstream and 5 years of extended support. Exchange 2019 is different as there is at least 5 years of mainstream support, but the extended support period will vary. As a result both Exchange Server 2016 and 2019 exit out of extended support on the same day - 14th October 2025. That date will come quickly.
The exact details & dates are documented in the support lifecycle page.
Migration Guidance
To help, there are multiple upgrade and planning guides available. For example:
Windows 10 Plan for Windows 11 | Microsoft Learn
Office 2016 and 2019 Office 2016 and 2019 Migration Guidance
Exchange Server 2016 and 2019 Exchange Server Roadmap Update - Community Hub
Skype for Business Server 2015 and 2019 Skype for Business Server Roadmap Update - Community Hub
Visio 2016 and 2019 Deployment guide for Visio - Microsoft 365 Apps | Microsoft Learn
Project 2016 and 2019 Project Server Migration Guidance
Visual Studio 2015 Visual Studio 2022 Release History | Microsoft Learn
Visual Studio Team Foundation Server (now Azure Dev Ops) Upgrade your deployment - TFS | Microsoft Learn
Cheers,
Rhoderick
