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Microsoft Office 2021 Professional Plus LTSC | Lifetime License – Instant Delivery
Microsoft Office 2021 Professional Plus LTSC | Lifetime License – Instant Delivery
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Important: Office LTSC 2021 support ends on 13 October 2026.
Despite the “Long-Term” name, Office LTSC 2021 follows a five-year fixed lifecycle with no extended support phase and no Extended Security Updates programme. After 13 October 2026 there are no security patches, bug fixes or technical support. The apps keep running, but every vulnerability found afterwards stays unpatched.
For a perpetual licence that stays supported, choose Office 2024 Professional Plus — supported until October 2029.
Microsoft Office 2021 Professional Plus LTSC – Lifetime License
The Long-Term Servicing Channel build of Office 2021. Perpetual licence, no subscription. Includes Word, Excel, PowerPoint, Outlook, Access, Publisher and OneNote, with XLOOKUP, dynamic arrays and the LET function in Excel.
What LTSC actually changes
LTSC is the frozen-feature build: it never receives new features, only security and stability fixes. That predictability is why regulated environments, air-gapped machines and long-lived workstations use it. It is not a longer support window — LTSC 2021 and standard Office 2021 both end on the same date.
System Requirements
- Processor: 1.1 GHz dual-core
- OS: Windows 10 or Windows 11 (64-bit)
- RAM: 4 GB
- Storage: 4 GB
Frequently Asked Questions
When does Office LTSC 2021 support end?
13 October 2026. Microsoft confirmed there is no extension and no Extended Security Updates programme. Starting with the 2021 release, Microsoft removed the five-year extended support phase that older perpetual Office versions had, halving the total supported lifespan.
Does LTSC get longer support than standard Office 2021?
No. This is a common misconception. Both Office 2021 Professional Plus and Office LTSC 2021 reach end of support on 13 October 2026. LTSC means a frozen feature set, not a longer lifecycle.
What is the difference between Office 2021 Pro Plus and Office 2021 LTSC?
LTSC has a fixed feature set that never changes and is distributed through volume licensing channels, which suits regulated or offline environments needing strict stability. Standard Professional Plus is the general commercial build. Both are perpetual and both end support on the same date.
Which apps are included?
Word, Excel, PowerPoint, Outlook, Access, Publisher and OneNote. Microsoft Teams is not part of the LTSC 2021 suite and is installed separately. Note that Publisher is also retired by Microsoft on 13 October 2026 and is not included in Office 2024.
Is this a perpetual license with no subscription?
Yes. You pay once and the licence does not expire. There are no monthly or annual fees and no Microsoft 365 subscription is required. The licence remains valid after 13 October 2026 — only the security updates stop.
How is the license delivered and activated?
Your key is delivered instantly by email after payment, together with the official ISO download link and a step-by-step activation guide. Activation takes less than 5 minutes.
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