Office 2021 Home & Business for MAC
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Genuine Office 2021 license keys — Professional Plus, Pro Plus 5 PC, BIND and Home & Business for Mac. One-time purchase, email delivery.
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Office 2021 products
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About Office 2021
Office 2021 is the most recent perpetual release of Microsoft Office in our range. You buy it once, install it, and keep it — no Microsoft 365 subscription. It belongs to our wider Office & Productivity collection and runs on Windows 10 and Windows 11, with a Mac edition for macOS.
- Word, Excel, PowerPoint, Outlook
- Pro Plus, 5 PC, BIND and Mac editions
- One-time purchase — no subscription
- Built for Windows 10, Windows 11 and macOS
- Activation guide included
- 10-day replacement guarantee
Pick your Office 2021 edition
- Professional Plus license key — the standard full suite for one Windows PC, including Access and Publisher.
- Pro Plus 5 PC — one purchase that licenses the suite on five PCs, ideal for a small office or a family of computers.
- Pro Plus BIND — redeemed against your Microsoft account so the licence is tied to you.
- Home & Business for Mac — Word, Excel, PowerPoint, Outlook and OneNote for macOS.
Unsure which suits you? Our Office editions explained guide compares them.
The Office 2021 apps
- Word, Excel, PowerPoint and Outlook, plus OneNote and (on Pro Plus) Access and Publisher.
- New in 2021: dynamic array functions and XLOOKUP in Excel, improved co-authoring and Microsoft Teams integration.
- A perpetual licence delivered by email delivery (usually within minutes, always within 24 hours of payment).
- our 10-day replacement guarantee and 24/7 support.
Microsoft's support for Office 2021 ends on 13 October 2026. The applications continue to run afterwards, but no new feature or security updates are issued — worth knowing if you need long-term supported software.
System requirements
The Windows editions require Windows 10 or Windows 11; Office 2021 does not run on Windows 8.1 or Windows 7. The Mac edition needs a recent version of macOS. If you need to update your operating system first, see Windows 11 and Windows 10 keys, or read Windows system requirements. Looking for an earlier version? Browse Office 2019 or Office 2016.
Activate in minutes
- Install Office from the link on your product page or your Microsoft account.
- Open Word or Excel and select Activate / Enter product key.
- Paste the key from your email and finish while online.
See the complete Office activation guide for screenshots and fixes for common errors.
Office 2021 — Frequently Asked Questions
Is Office 2021 a one-time purchase?
Yes. It is a perpetual licence — you pay once and keep using that version. There is no subscription.
Which Office 2021 edition should I buy?
Pro Plus for a single Windows PC with the full suite, Pro Plus 5 PC to cover five PCs, BIND if you want the licence tied to your Microsoft account, and Home & Business for Mac if you use macOS.
Does Office 2021 work on Windows 10 and 11?
Yes. It is designed for Windows 10 and Windows 11. It does not support Windows 8.1 or Windows 7.
Will Office 2021 stop working in 2026?
No. Microsoft's support ends on 13 October 2026, meaning updates stop, but the installed apps continue to work.
How do I activate Office 2021?
Install it, open any app, choose Activate or Enter product key and paste the key from your email. Our activation guide has step-by-step screenshots.