Microsoft End of Support 2025 Countdown: Which Products Are Retiring and How to Safeguard Your Valuable Business
Dave W. Shanahan 4 minutes read
Understanding Microsoft’s End of Support Product Lifecycle: Important 2025 Dates
The Microsoft end of support product lifecycle policies govern the support timeline for its software and cloud offerings. In 2025, more than 120 Microsoft products will reach key lifecycle milestones: retirement, end of support (EOS), or a transition to Extended Support. This means no more updates (security or non-security), free or paid assisted support, or online documentation changes. Enterprises using affected software must plan now to avoid security risks and operational disruptions.
Why Microsoft End of Support Matters
Similar to when Windows 10 end of support happens on October 14, 2025, when Microsoft retires a product or ends support:
Security patches and bug fixes are discontinued, leaving systems exposed to vulnerabilities.
No new features or design changes will be considered; technical support becomes unavailable.
For Azure and cloud services, access and features may be removed, requiring transition to supported alternatives.
End of support especially impacts organizations bound by compliance or cybersecurity mandates.
Major Microsoft Products Retiring or Losing Support in 2025
Below is a curated list of Microsoft products and services scheduled for support end by quarter. Each product and EOS date links directly to the Microsoft lifecycle page for further details.
Q1 2025
Microsoft Genomics – January 6
Microsoft GenomicsVisual Studio App Center – March 31
Visual Studio App CenterHTTP Application Routing add-on for AKS – March 3
HTTP Application Routing add-onAzure Database for PostgreSQL – Single Server – March 28
Azure Database for PostgreSQL – Single ServerDynamics C5 2015, CRM 2015, NAV 2015, SL 2015, Visual Studio 2022 17.6 (LTSC channel) – January 14
Dynamics C5 2015
Q2-Q3 2025
SAP HANA Large Instances (HLIs) – June 30
SAP HANA HLIsAzure Database for MariaDB – September 19
Azure Database for MariaDBMajor Azure retirements – September 30
Azure Product Retirement ListWindows 10 Enterprise/Home/Pro/Education/IoT Enterprise – October 14
Windows 10 Edition EOS
Q4 2025
Office 2016, Office 2019 (and all main apps) – October 14
Office 2016 EOSWindows Server Annual Channel, Version 23H2 – October 24
Windows Server Annual ChannelWindows 11 Home/Pro Version 23H2 – November 11
Windows 11 Home/Pro
These are only highlights; the full list covers hundreds of offerings and services. Review Microsoft’s lifecycle documentation for the most current and detailed schedule.
Risks of Running Retired or Unsupported Microsoft Software
Security Vulnerabilities: Microsoft will no longer release security patches, leaving systems open to malware and ransomware attacks.
Compliance Risks: Use of unsupported software can breach regulatory requirements like GDPR, HIPAA, or industry best practices.
Feature Incompatibility: New hardware and software solutions may not work reliably with old versions.
No Technical Support: After EOS, Microsoft will no longer offer assistance, even for critical issues.
Organizations must audit all IT assets and migrate at-risk workloads well before deadlines.
What To Do When Products Reach End of Support
Preparation is essential for uninterrupted business operations and data security.
1. Identify Impacted Assets
Run a full inventory of infrastructure, devices, VMs, applications, and cloud instances to find affected versions.
Use Microsoft’s Lifecycle Product Search Tool:
Product Lifecycle Search
2. Plan an Upgrade or Migration
Upgrade: Move workloads to newer supported versions (e.g., Windows 10 to Windows 11, Office 2016 to Microsoft 365 Apps).
Migrate: For cloud services (Azure, Dynamics, etc.), use Microsoft’s migration guides to transition to equivalents or next-generation replacements.
Purchase Extended Security Updates (ESU): For critical infrastructure, three-year ESU licenses may be available. Fees increase each year.
3. Test and Validate
Pilot projects on lab systems before organization-wide rollout to check for compatibility problems and retrain users.
Validate all mission-critical apps and integrations, especially custom-built software.
4. Document and Train
Update IT documentation to reflect support changes and new product usage.
Train IT staff and end users about functional or interface changes.
5. Monitor End-of-Life Notices
Subscribe to the Microsoft Lifecycle announcements RSS or notification service.
Revisit Microsoft’s lifecycle portals regularly for late-breaking changes:
Top Migration Strategies and Resources
Move to Microsoft 365: Transitioning from Office 2016/2019 to Microsoft 365 brings the newest features, security, and cloud connectivity.
Upgrade to Windows 11: Users can move eligible hardware to Windows 11 for ongoing security updates. Some older hardware may require replacement or may only qualify for paid ESU.
Cloud Service Transitions: Azure’s retirement list is extensive—work with the Azure Migration Center and in-product tools for a seamless move.
Microsoft offers comprehensive guidance, technical documentation, and support forums to assist with migration:
Useful Resources and Further Reading
2025 is a pivotal year in Microsoft’s product lifecycle, touching everything from Windows 10 clients to key Azure cloud services and classic apps like Office. IT and business leaders must act quickly: assess infrastructure, plan upgrades, and anticipate workflow changes. Staying proactive ensures ongoing security, full compliance, and optimal business continuity as Microsoft shifts to new platforms and services.
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