Unmaintained Microsoft will end support for Office 2016 and 2019 apps and servers on October 14, 2025

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Although Microsoft actively pushes its cloud-powered Microsoft 365 offerings for Office applications, it still releases perpetual versions of Office every few years, too. The difference between them is that Microsoft 365 customers have to continually make payments to retain access to the services on offer, while those who purchase a perpetual version of Office like Office 2016 and Office 2019 only make a one-time payment. The drawback is that the versions of Office that they receive are feature-locked and only supported for a fixed time frame.

Recently, many Office 2016 and 2019 customers received a bit of a shock when several pieces of Microsoft documentation implied that they would immediately lose access to Microsoft 365 backend services come October 2023. This was very alarming because both versions of Office are under extended support until October 14, 2025.
Microsoft has now confirmed that it isn't cutting off access to Microsoft 365 services after all. Instead, they may face reliability issues. In a statement to ZDNet, Microsoft clarified that:
Microsoft will NOT be blocking supported and up-to-date Office clients from connecting to M365 cloud services. However, as announced in April 2017 and clarified in February 2018, Microsoft plans to stop supporting Office clients out of mainstream support when connecting to Microsoft 365 cloud services.

Practically, this means that as we make updates to Exchange Online, SharePoint Online, and other Microsoft 365 services, we will not be building around the constraints inherent in the older perpetual Office clients that are already out of mainstream support. Customers will not be blocked in connecting, but they may not get the full value out of new investments in our cloud services. Over time, they may run into unexpected issues. "
 
Microsoft has announced the upcoming end of support (EOS) date for Office 2016 and Office 2019 apps, along with related productivity servers. All of those apps will no longer be supported after October 14, 2025.

In a blog post, Microsoft stated:
After this end date, Microsoft will no longer provide security fixes, bug fixes, or technical support. Using products after end of support leaves your organization vulnerable to potential security threats, productivity losses, and compliance issues.

The blog post listed the many Office 2016 and 2019 apps this new EOS date will affect, along with the server products;
  • Access 2016
  • Access 2019
  • Excel 2016
  • Excel 2019
  • OneNote 2016
  • Outlook 2016
  • Outlook 2019
  • PowerPoint 2016
  • PowerPoint 2019
  • Project 2016
  • Project 2019
  • Publisher 2016
  • Publisher 2019
  • Skype for Business 2016
  • Skype for Business 2019
  • Visio 2016
  • Visio 2019
  • Word 2016
  • Word 2019
  • Exchange Server 2016
  • Exchange Server 2019
  • Skype for Business Server 2015
  • Skype for Business Server 2019
 
Microsoft Office 2016 and Office 2019 reach end of support on October 14, 2025. That is the last day of support, which means that Microsoft won't release security updates or any other type of update for the applications anymore. Technical support, furthermore, is also ending on that day.

Office customers won't get an option to extend support by paying Microsoft, as Microsoft made it clear that it won't offer extended security updates (ESU).

The Office apps will continue to work after the day, but security issues won't be patched anymore. Microsoft warns that running unsupported software could lead to "harmful security risks". The company suggests that customers upgrade to a newer version of Office to remain supported.

Home customers have two options in this regard:
  • Upgrade to Microsoft Office 2024, which is available as a one-time purchase.
    • Office Home 2024 is available for 150 US-Dollar.
    • Office Home & Business 2024 is available for 256 US-Dollar.
  • Subscribe to Microsoft 365, which requires an active subscription and monthly or yearly payments.

A third option is provided by 0Patch, an independent service by ACROS Security that creates micro-patches for Microsoft products such as Windows or Office. The company will support Office 2016 and 2019 after Microsoft ends support. The service costs about 30 US-Dollar per year and may be the most cost-effective option to keep Office secured after October 2025.
 
Microsoft ends support for Office 2016 and 2019 today
As previously announced, Microsoft is ending support for all Office 2016 and 2019 suites, standalone apps, and servers today (October 14). Over the past several years, Microsoft has moved away from perpetual licensing.

Microsoft's current recommendation for customers is to migrate to Microsoft 365 E3, Office 365 E3, or Microsoft 365 Business Standard from these out-of-support products. For commercial customers who need a non-cloud version of the productivity suite, Microsoft recommends Office LTSC 2024. This LTSC version is targeted at PCs that cannot accept feature updates or connect to the internet.

Skype for Business 2016 and 2019 customers are recommended to upgrade to Microsoft Teams. However, commercial customers who prefer an on-premises solution should upgrade to Skype for Business Server Subscription Edition.

You can find the complete list of products that are going out of support below:
  • Office suites: Office 2016, Office 2019
  • Office applications: Access 2016, Access 2019, Excel 2016, Excel 2019, OneNote 2016, Outlook 2016, Outlook 2019, PowerPoint 2016, PowerPoint 2019, Project 2016, Project 2019, Publisher 2016, Publisher 2019, Skype for Business 2016, Skype for Business 2019, Visio 2016, Visio 2019, Word 2016, Word 2019
  • Productivity servers: Exchange Server 2016, Exchange Server 2019, Skype for Business Server 2015, Skype for Business Server 2019
From tomorrow (October 15), Microsoft will no longer provide security fixes for vulnerabilities, bug fixes, and technical support for the above list of products.
 

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