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Regulation2026-10-13

Microsoft ended support for Office LTSC 2021 today. Security updates, bug fixes, and technical support are no longer provided. Organizations should migrate to Microsoft 365 or Office LTSC 2024. Microsoft 365 offers cloud-backed apps with automatic updates. Microsoft Copilot is available only in Microsoft 365. Office LTSC 2024 is the recommended on-premises alternative. FastTrack App Assure offers free help for custom apps. The affected products include all Office LTSC 2021 suites and apps.

What changed

Office LTSC 2021 received security updates, bug fixes, and technical support.

What it unlocks

Using Microsoft Copilot with Office apps.

  • Office LTSC 2021 support ends 13 Oct 2026
  • Office LTSC 2024 available now

What you need to act on it

  • a supported Microsoft 365 or Office LTSC 2024 plan

Sources

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