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Genuine Microsoft Office 2021 Professional Plus product key for 1 PC. One-time purchase, no subscription. Redeemed with your Microsoft account. Delivered digitally to your order page, nothing is shipped.
Microsoft Office 2021 Professional Plus is the one-time purchase version of Office for Windows. You pay once and keep the full desktop apps, no Microsoft 365 subscription and no monthly fees. Professional Plus is the most complete edition, with Word, Excel, PowerPoint, Outlook, OneNote, Access and Publisher.
Microsoft ended support for Office 2021 on October 13, 2026: the apps keep working, but no longer receive security updates. It suits PCs that need this exact version; for everyday use Office 2024 is the safer choice.
WordWrite documents, letters, CVs and reports.
ExcelSpreadsheets, formulas, charts and budgets.
PowerPointPresentations and slide decks.
OutlookEmail, calendar and contacts in one place.
OneNoteDigital notebook for notes, ideas and to-do lists.
AccessDatabases and record keeping.
PublisherLayouts, flyers, newsletters and brochures.| Office 2021 Professional Plus | Microsoft 365 | |
|---|---|---|
| Payment | One-time | Monthly or yearly |
| Devices | 1 PC | Up to 5 devices |
| Cloud storage | Not included | 1 TB OneDrive |
| Updates | Ended October 13, 2026 | Always the latest |
Office 2021 runs on almost any Windows 11 or Windows 10 PC. Here's what Microsoft recommends:
Redeeming Office 2021 Professional Plus takes about five minutes: you link the key to your Microsoft account, then download and install Office from there. Keep your account details, that's where you can reinstall Office later.
No. Office 2021 is a one-time purchase, you pay once, there are no monthly or yearly fees and the licence doesn't expire.
Office 2021 is bought once for one PC. Microsoft 365 is a subscription with 1 TB of OneDrive storage and always the newest features, but you pay every month or year.
No, this is the Windows PC edition of Office 2021. It runs on Windows 11 and Windows 10.
Yes. The key is redeemed on office.com/setup with a free Microsoft account, and that's where you download and reinstall Office.
Microsoft ended support on October 13, 2026. Office keeps working, but without security updates.
After payment the key is delivered to your order page (Account > Orders). Keys from automatic offers appear right away; other sellers deliver them by hand. Nothing is shipped, it's a digital product.
Yes. We only pay the seller after you get your item: check that your key works, then confirm it on your order page. If you don't confirm, the order is confirmed automatically 5 days after delivery, so report any problem before then.
First check the key was typed correctly and that it's for the edition you're activating. Still not working? Don't confirm the order, message the seller, and contact our 24/7 support if you can't sort it out together.
No, one key activates one PC. Need more? Choose a higher quantity in the buy box and you get one key per PC.
You can pay with Wallet balance. Payment is processed securely at checkout.
Anywhere. This key can be activated worldwide.
Reviews come only from verified buyers who ordered Microsoft Office 2021 Professional Plus Key (Account-linked), 1 PC on this marketplace and received their key.
No reviews for this product yet. Reviews come from buyers after they receive their order.
