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License Management

Office License Types: Perpetual vs Subscription (Microsoft 365)

Office 2021/2024 one-time licenses vs Microsoft 365 subscriptions — pricing, updates, device limits and which fits you.

Last updated · January 2026

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Microsoft sells Office in two fundamentally different ways: a one-time (perpetual) license and a subscription. Both are genuine — the right choice depends on your needs.

01Perpetual licenses — Office 2021 & 2024

  • Pay once, own forever
  • Word, Excel, PowerPoint (and more, depending on edition)
  • Installed on one PC or Mac (some editions allow five)
  • No new features after release; security updates continue for years

02Subscription — Microsoft 365

  • Yearly or monthly fee
  • Always the latest apps and features
  • Install on all your devices (PC, Mac, tablet, phone)
  • Includes 1 TB OneDrive cloud storage

03Which should you choose?

Choose Office 2024/2021 if you want a fixed version with no recurring cost — ideal for one computer. Choose Microsoft 365 if you use multiple devices, want cloud storage, or like getting new features.

Both activate with a genuine key or subscription; see our Office activation guide.

Still stuck?
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Get a genuine Office 2021 key

Office 2021 from PCKEY.NET — €41.99, with digital delivery and activation information.