Yes, you can buy Microsoft Office as a one-time purchase, but your options are limited

Microsoft still sells Office 2021 and Office 2019 as standalone licenses you buy once and own permanently. You do not pay monthly. However, Microsoft no longer makes new versions this way — they stopped after Office 2021. If you want the newest features and security updates, Microsoft 365 (the subscription version) is the only path forward.

The one-time purchase route works if you use Office occasionally, do not need the latest tools, and want to avoid recurring charges. But it comes with real trade-offs: no cloud storage included, no automatic updates after a few years, and you cannot use it on multiple devices under one license.

Key Takeaways

  • Office 2021 is the newest version available as a one-time purchase, sold through Microsoft and retailers like Amazon and Best Buy for $160 to $250 depending on which apps you need.
  • One-time Office licenses work on only one device and one user account, so buying multiple copies for a household or small business costs significantly more than a subscription.
  • Microsoft stopped releasing new standalone versions after 2021, so you will not receive major feature updates or new Office apps unless you switch to Microsoft 365.
  • Office 2019 is still available used or discounted but receives no security updates and lacks features added in 2021, making it riskier for sensitive work.
  • If you need cloud backup, real-time collaboration, or the newest tools, Microsoft 365 at $70 per year for personal use is cheaper over time than buying new standalone licenses every few years.

What you get with a one-time Office purchase

When you buy Office 2021 as a standalone license, you receive Word, Excel, PowerPoint, and Outlook. Some versions also include Access and Publisher. You install it on one computer, and it stays there — no expiration, no monthly bill, no internet required to use it after installation.

The license is tied to one Microsoft account and one device. If you want to use Office on a second computer or let a family member use it on theirs, you need a separate license. This is the main cost difference between one-time purchase and subscription: a household of three people using Office on three devices would need three separate licenses, totaling $480 to $750. The same household on Microsoft 365 Family costs $100 per year and covers six people and six devices.

Where to buy Office 2021 and what it costs

Microsoft sells Office 2021 directly through their website in two versions: Home & Student ($160) and Home & Business ($250). The Home & Student edition includes Word, Excel, PowerPoint, and OneNote. Home & Business adds Outlook and is aimed at people who use email heavily for work.

You can also buy Office 2021 through Amazon, Best Buy, Walmart, and other retailers, sometimes at a discount. Prices fluctuate, but expect to pay between $140 and $200 for Home & Student and $200 to $250 for Home & Business. Used or discounted Office 2019 licenses appear on resale sites, but these are older and no longer receive security patches from Microsoft.

Why Microsoft stopped making new standalone versions

Microsoft shifted to subscription-only because it guarantees steady revenue and lets them push security updates and new features to everyone automatically. With Office 2021, people who bought it in 2021 still have the exact same version today — no new features, no new security patches beyond a certain point. Microsoft prefers a model where everyone gets updates constantly.

This also means Office 2021 will eventually become outdated. Microsoft has not announced an end-of-life date, but historically they support each version for about five to ten years. Office 2013, released in 2013, stopped receiving updates in 2023. If you buy Office 2021 today, you can reasonably expect it to work and be secure through the late 2020s, but not much longer.

One-time purchase versus Microsoft 365 subscription

The choice between buying once and subscribing depends on how many devices you use, how long you keep them, and whether you need cloud features. If you are a single person using one laptop and rarely collaborate with others, Office 2021 at $160 to $250 is a lower upfront cost. You own it outright and do not think about it again.

If you use Office on multiple devices, share documents with others, or want automatic backups to OneDrive, Microsoft 365 becomes cheaper. A single-person subscription costs $70 per year; a family plan covering six people and six devices costs $100 per year. Over five years, that is $350 to $500 total — less than buying three separate Office 2021 licenses. Microsoft 365 also includes 1 TB of OneDrive storage per person, automatic updates, and access to newer versions of the apps.

Limitations of buying Office without a subscription

One-time Office licenses do not include cloud storage. You get OneDrive access, but only 5 GB free — the same as any Microsoft account holder. If you need to back up large files or access them from multiple devices, you pay extra for OneDrive storage or use another service like Google Drive or Dropbox.

You also cannot collaborate in real time the way Microsoft 365 users can. If you and a colleague both have Office 2021, you can still edit the same document together through OneDrive, but the experience is slower and less seamless than with a subscription. Additionally, Office 2021 does not include newer apps like Microsoft Teams or access to premium features added after 2021, such as advanced data analysis tools in Excel or design suggestions in Word.

Free alternatives if you do not want to pay at all

If you cannot afford Office, Microsoft offers free web versions of Word, Excel, PowerPoint, and Outlook through Office.com. You need a free Microsoft account. These work in any web browser and let you create, edit, and share documents without paying. The desktop versions are more powerful, but the web versions handle most everyday tasks.

Google Docs, Sheets, and Slides are also free and work similarly. They integrate with Google Drive for automatic backup and are strong for collaboration. LibreOffice is a free, open-source desktop program that works like Office and runs on Windows, Mac, and Linux. None of these are Office, but they open and save Office files, so switching is usually straightforward.

Frequently Asked Questions

Can I use Office 2021 on two computers if I own both?

No. The license covers one device and one user account. Using the same license on two computers violates Microsoft's terms. You need a separate license for each device, or you can use Microsoft 365, which allows installation on multiple devices under one account.

Will Office 2021 stop working after a certain date?

Office 2021 will not suddenly stop working, but Microsoft will eventually stop releasing security updates. This typically happens five to ten years after release. After that point, using it for sensitive work or online collaboration becomes riskier. You would need to upgrade to a newer version or switch to Microsoft 365.

Is buying used Office 2021 licenses safe?

It depends on the seller. If you buy from a reputable retailer, it is safe. If you buy from a third-party marketplace, verify that the license key has not been used. Once a key is activated on a Microsoft account, it cannot be transferred to another account. Ask the seller for proof the key is unused before you pay.

Can I downgrade from Microsoft 365 to Office 2021?

Yes. If you cancel your Microsoft 365 subscription, your Office apps stop working. But you can buy a one-time Office 2021 license separately and install it instead. Your documents created in Microsoft 365 will open in Office 2021 without problems.

Does Office 2021 work on Mac?

Yes. Microsoft sells Office 2021 for both Windows and Mac. The Mac version is similar but not identical — some features differ slightly. Make sure you buy the Mac version if you use a Mac, because the Windows version will not run on it.