Office 2021 Home and Business CD Key for Mac

This key activates Microsoft Office Home & Business 2021 for Mac on one Mac (MacBook, iMac or Mac mini): Word, Excel, PowerPoint, Outlook and OneNote, with business use allowed. You redeem it at setup.office.com, where it’s linked to your Microsoft account, then install Office for Mac. It’s a one-time purchase with no subscription. After installing, open Word and choose Help → Check for Updates, so Office has the latest version.

What’s in Office Home & Business 2021 for Mac

• Word, Excel, PowerPoint, Outlook and OneNote as Mac apps that run natively on Apple silicon and on Intel Macs.
• Business use is allowed. Home & Student can’t be used for work and has no Outlook; Home & Business has both.
• Co-authoring on files saved in OneDrive or SharePoint, and Dark Mode in all the apps.
• Linked to your Microsoft account: install Office again on a new Mac from your account page, without the key.

What you get

Your 25-character Office 2021 Home and Business for Mac product key for one Mac, emailed right after payment together with our setup guide. You redeem it once at setup.office.com, where it’s linked to your Microsoft account, so you can reinstall Office later by signing in. It’s a one-time purchase with no subscription and includes Word, Excel, PowerPoint, Outlook and OneNote, with the rights to use them for business.

Office 2021 Home and Business for Mac key price

Microsoft now sells Office 2024 in its store. Here is its current Home & Business price next to ours:

Microsoft’s price is the list price in its US store. Our price is shown in your currency, as a one-time payment.

How to redeem and install Office 2021 for Mac

1. Go to setup.office.com, sign in with your Microsoft account (or create one), and enter the 25-character key from your order email.
2. Choose your language and select Redeem. Office is now linked to your Microsoft account.
3. Download the Mac installer from your account page, install Office, then open Word and sign in with the same account to activate.
4. Select Help → Check for Updates and install all updates. Since 13 July 2026, Microsoft requires version 16.83 or later; older versions can open files but not edit or save them.

Full walkthrough: Office Home and Business for Mac setup guide.

Which Macs does it work on?

Office 2021 Home and Business for Mac key FAQ

How many Macs can I install it on?

One Mac. Because the license is linked to your Microsoft account, you can sign in and reinstall Office on a new Mac later, one Mac at a time.

What does “linked to your Microsoft account” mean?

When you redeem the key at setup.office.com, Office 2021 is added to your Microsoft account for good. You don’t need the key again: sign in to install or reinstall. The license can’t be moved to a different Microsoft account.

Can I use it for my business?

Yes. Home and Business includes the rights to use Word, Excel, PowerPoint, Outlook and OneNote for commercial purposes.

Does it work on Windows?

No, this key is for Mac. For a Windows PC, choose Office 2021 Home and Business for Windows.

How much does an Office 2021 Home and Business for Mac key cost?

Microsoft now sells Office Home & Business 2024 for $249.99 in its US store. An Office 2021 Home and Business for Mac key from GGKeys costs 98.00 $, a one-time payment with no subscription.

Are cheap Office keys legit?

Some are and some aren’t, so check the seller first: a registered company, a stated license type, and a replacement or refund if the key doesn’t work. GGKeys is run by GGKEYS LTD, a company registered in Bulgaria, in the EU. Our Office 2021 Home and Business keys are redeemed with Microsoft at setup.office.com and linked to your Microsoft account; if one doesn’t work, we fix it or refund you within 14 days. You can read our customer reviews on Trustpilot.

Which version of Office 2021 for Mac should I install?

The latest one. Install all available updates (version 16.83 or later) so you can keep editing and saving files.

Which macOS do I need?

One of the three most recent versions of macOS, on an Intel Mac or Apple silicon.

How fast will I get my key?

By email, right after payment. If it hasn’t arrived within a few minutes, check your spam folder, then contact us.

What if my key doesn’t activate?

Contact our support within 14 days with your order number, as described in our refund policy. We’ll fix the problem or replace the key, and if no working solution is possible, we’ll refund you.