Time to upgrade: Office 2016 & 2019 support ends in October 2025

Microsoft has announced that support for Office 2016 and Office 2019 will officially end on October 14, 2025. After this date, these versions will no longer receive security updates, bug fixes, or technical support. While the software may continue to function, running outdated applications can expose businesses to security vulnerabilities and compatibility issues.

Recommended Upgrade Options

To maintain a secure and efficient work environment, Microsoft recommends upgrading to one of the following options:

1. Microsoft 365 E3

  • Includes Microsoft 365 Apps for enterprise, providing the latest versions of Word, Excel, PowerPoint, and more.

  • Regular updates under the Modern Lifecycle Policy, ensuring continuous security and feature improvements.

  • Access to Microsoft 365 Copilot add-on for enhanced AI-powered productivity.

  • Core device management, security, and compliance features.

  • You can explore enterprise and small business offerings to find the right fit for your organization.

2. Office LTSC 2024 (For fully disconnected environments)

How to Prepare for the Transition

To ensure a smooth upgrade, consider the following steps:

1. Review Your Current Office Deployments

  • Identify devices running Office 2016 or 2019.

2. Evaluate Upgrade Options

  • Choose between Microsoft 365 E3 or Office LTSC 2024 based on your organization’s needs.

3. Leverage Microsoft Resources

Do you have questions related to this topic?

Joachim Freitag, Managing Director at IseoSolutions

As specialists in Enterprise Content Management, we can help you get the most out of Microsoft products and answer your most critical questions. Book a free 30-minute consultation with us today.

FAQ's

  • Support for Office 2016 and Office 2019 will officially end on October 14, 2025. After this date, Microsoft will no longer provide security fixes, bug fixes, or technical support for these products.

  • Continuing to use Office 2016 or Office 2019 after the end-of-support date can leave your organization vulnerable to potential security threats, productivity losses, and compliance issues. Unsupported software may not receive critical updates, making it susceptible to exploits.

  • Microsoft recommends transitioning to the cloud with Microsoft 365 E3, which offers always up-to-date versions of familiar apps like Word, Excel, PowerPoint, and Outlook, along with intelligent services and core security features. For devices that cannot move to the cloud, upgrading to Office LTSC 2024 is advised. ​

  • Organizations should start by reviewing their current Office deployments to identify devices running Office 2016 or 2019. Next, evaluate upgrade options such as Microsoft 365 E3 or Office LTSC 2024 based on organizational needs. Utilizing Microsoft's resources, including upgrade guidance and support services like Microsoft FastTrack, can facilitate a smooth transition.

  • While the applications may continue to function after the end-of-support date, they will no longer receive updates or support from Microsoft. This lack of support can lead to increased security vulnerabilities and potential compatibility issues with other software or services. ​

Microsoft SharePoint Information Architecture: Everything You Need to Know

You might also find this interesting:

Next
Next

Microsoft Copilot for SharePoint: Everything You Need to Know