Office 2021 Professional Plus
1 PC, one-time purchase, no subscription
$29.99
Delivery: 2–10 min
Microsoft Office license keys
Office 2024 and 2021 Professional Plus, plus Visio and Project. Pay once, no subscription.
4 productsOffice 2021 support ended on October 13, 2026. It still works, but Microsoft no longer releases security updates for it. What this means · Office 2024 is supported until 2029
Helpful guides
How to install and activate Office 2024, Office 2021, Visio and ProjectInstall Office 2024 or Office 2021 Professional Plus, Visio 2021 or Project 2021 from the download link in your email and activate it with your product key.Read guide →Office 2024 vs Office 2021 Professional Plus: what's the difference?Office 2024 vs Office 2021 Professional Plus compared: apps included, new features, and security update dates. Which one-time Office purchase should you buy?Read guide →Office 2024 vs Microsoft 365: buy once or subscribe?Office 2024 vs Microsoft 365 compared: one-time purchase or subscription, apps, cloud storage, devices, updates and long-term cost. Which one is right for you?Read guide →How to install and activate Office 2024 without a Microsoft accountInstall and activate Office 2024 or Office 2021 Professional Plus with just your product key, no Microsoft account or sign-in needed. Step by step, plus how to skip the sign-in screen.Read guide →Office activation errors: Unlicensed Product, key already used and other fixesFix Office 2024 and Office 2021 activation problems: "Unlicensed Product", "This product key has already been used", key not valid for your Office, conflicts with Microsoft 365 and more.Read guide →Can you use Office 2024 on a Mac? Your options explainedOffice 2024 Professional Plus is Windows-only. Here are the ways to get Word, Excel and PowerPoint on a Mac: Office Home 2024 for Mac, Microsoft 365, or Windows in a virtual machine.Read guide →
Microsoft Office without a subscription
Office Professional Plus is a one-time purchase: Word, Excel, PowerPoint, Outlook and more on one Windows PC, with no monthly fee. Each key activates online with Microsoft.
For a new purchase we recommend Office 2024 Professional Plus, which receives security updates until October 2029. Office 2021 Professional Plus still includes Publisher. Compare them in Office 2024 vs Office 2021.
Need diagrams or project plans? Visio Professional 2021 and Project Professional 2021 install alongside Office. Our Office installation guide covers all of them.
Frequently asked questions
Is this a subscription like Microsoft 365?
No. It's a one-time purchase for one PC with no monthly or yearly fee.
Does Office work on a Mac?
No. These Office, Visio and Project versions are for Windows 11 and Windows 10.
Do I need a Microsoft account?
No. You activate with the product key. Signing in with a Microsoft account is optional.
Can I install Visio or Project next to my Office?
Yes, as long as they're the same version family and the same 32/64-bit type as your Office. See the installation guide.