check before: 2025-10-14
Product:
Copilot, FastTrack, Microsoft 365 Apps, Microsoft 365 Copilot, Microsoft 365 suite, Project, Visio
Platform:
Online, Web, World tenant
Status:
Change type:
User impact, Admin impact, Retirement
Links:
Details:
Summary:
Support for Office 2016 and 2019 ended on October 14, 2025, with no further updates or support. Users should upgrade to Microsoft 365 Apps or Office LTSC 2024 to maintain security, compliance, and performance, as Office LTSC 2021 support ends October 13, 2026.
Details:
As previously communicated, support for Office 2016 and Office 2019 has ended on October 14, 2025. No further updates, security fixes, or technical support will be available for these versions of Office. While the applications may continue to function, using unsupported software could lead to potential security risks, compliance risks, system incompatibilities, and other issues.
Support for Visio 2016 and 2019, Microsoft Project 2016 and 2019, and several other products also ended, October 14, 2025. Looking ahead, support for Office LTSC 2021 will end in one year-on October 13, 2026. Organizations using these products should upgrade as soon as possible to maintain security, compliance, and performance.
Change Category:
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Scope:
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Release Phase:
Created:
2025-10-21
updated:
2025-10-21
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Security Risks
Using unsupported Office versions may expose the organization to security vulnerabilities, leading to potential data breaches and loss of sensitive information.
- roles: IT Administrator, Compliance Officer
- references: https://learn.microsoft.com/en-us/lifecycle/faq/fixed-policy, https://techcommunity.microsoft.com/blog/microsoft_365blog/prepare-now-for-key-end-of-support-moments-in-2025/4267800
Compliance Risks
Failure to upgrade may result in non-compliance with industry regulations, risking legal penalties and reputational damage.
- roles: Compliance Officer, Legal Advisor
- references: https://learn.microsoft.com/en-us/lifecycle/faq/modern-policy, https://techcommunity.microsoft.com/blog/officeeos/get-ready-now-one-month-until-office-20162019-end-of-support/4453395
System Incompatibilities
Continuing to use outdated software may lead to compatibility issues with newer applications and systems, disrupting workflows.
- roles: IT Administrator, End User
- references: https://docs.microsoft.com/DeployOffice/endofsupport/plan-upgrade-older-versions-office, https://www.microsoft.com/fasttrack/microsoft-365
Performance Issues
Unsupported software may not perform optimally, leading to slowdowns and crashes that affect user productivity.
- roles: End User, IT Support Specialist
- references: https://learn.microsoft.com/en-us/lifecycle/faq/fixed-policy, https://techcommunity.microsoft.com/blog/microsoft_365blog/prepare-now-for-key-end-of-support-moments-in-2025/4267800
Lack of Technical Support
Post-support, users will not have access to technical assistance, leading to prolonged downtime during issues.
- roles: IT Support Specialist, End User
- references: https://learn.microsoft.com/en-us/lifecycle/faq/modern-policy, https://techcommunity.microsoft.com/blog/officeeos/get-ready-now-one-month-until-office-20162019-end-of-support/4453395
Configutation Options**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 2 weeks ago
