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Microsoft Office Home & Student 2021 box

Microsoft, Office 2021

Office Home & Student 2021

Office Home & Student 2021 for one PC or Mac: Word, Excel and PowerPoint. Support ended October 2026.

Support notice. Microsoft ended support for the 2021 versions on October 13, 2026. The apps keep working, but no longer receive security updates. We recommend a 2024 version for new purchases.
$39.99Available for digital delivery

  • One-time purchase, no renewal fees
  • Covers 1 PC or Mac (Windows, Mac (macOS))
  • Key sent on WhatsApp after payment. Download from Microsoft’s official site.
  • Questions first? Email our team
Key specifications
EditionHome & Student
VersionOffice 2021
Works onWindows, Mac (macOS)
License typeOne-time purchase
License validityOne-time purchase. No renewal fees; you keep using the version you bought.
Devices1 PC or Mac

Overview

The core three Office apps for personal and school use on one PC or Mac.

Microsoft no longer issues security updates for Office 2021. Office Home 2024 is the current equivalent.

What’s included

  • Word 2021
  • Excel 2021
  • PowerPoint 2021
  • OneNote (Windows)

Specifications and license terms

ProductOffice Home & Student 2021
PublisherMicrosoft
EditionHome & Student
VersionOffice 2021
Works onWindows, Mac (macOS)
License typeOne-time purchase
License validityOne-time purchase. No renewal fees; you keep using the version you bought.
Devices1 PC or Mac
Users1 user
AccountRedeemed to one Microsoft account
DeliveryLicense key or activation code on WhatsApp after payment is confirmed
Restrictions
  • Sold for use in the United States. Keys are not region-switched or resold from other markets.
  • Licensed for personal, non-commercial use.

System requirements

  • Windows 11 or Windows 10
  • One of the three most recent versions of macOS
  • 4 GB RAM
  • Internet connection and a Microsoft account

Requirements are set by Microsoft and can change with new releases. Check the publisher’s site for the latest list.

Download and activation

Installed from your Microsoft account after you redeem the key. Microsoft provides the installer directly, so you always get the current build.

  1. Sign in at setup.office.com (or microsoft.com/redeem) with the Microsoft account you want the license tied to.
  2. Enter the 25-character product key from your order message and confirm your country/region as United States.
  3. Open your Microsoft account Services & subscriptions page and choose Install Office.
  4. Run the installer, then open any app and sign in with the same Microsoft account to finish activation.
  5. If your delivery message contains channel-specific instructions, follow those; they take priority over these general steps.

Delivery, support and refunds

Delivery. This is a digital product. Send your order to us on WhatsApp from the checkout page. We confirm availability, agree the payment method with you, and send the product key and these instructions in the chat once payment is confirmed. Nothing is shipped. How delivery works

Support. If installation or activation doesn’t work, email support@trustikeys.shop with your order number and the exact error message.

Refunds and cancellations. Digital keys can’t be returned once revealed and activated. Requests for unused keys, and keys that can’t be activated, are handled under our refund policy.

Frequently asked questions

Is this a subscription?
No. This is a one-time purchase of a specific Office version. It does not renew and does not include Microsoft 365 cloud storage or new feature releases.
Can I install it on a Mac and a PC?
Only if the product page lists both platforms. Windows-only and Mac-only editions cannot be swapped after the key is redeemed, so check the Platform line before you buy.
What if I already have Microsoft 365 installed?
Uninstall Microsoft 365 or any other Office version first. Two Office installations of different types on the same PC usually cause activation conflicts.

Related products

Microsoft, Windows & MacOffice Home 2024
  • 1 PC or Mac
  • One-time purchase
$49.99
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