Apple Mac only · One-time purchase
Office 2021 Home & Business for one Apple Mac
A fixed, non-subscription Office release with Word, Excel, PowerPoint, Outlook and OneNote for one compatible Intel or Apple silicon Mac.
After this date Microsoft will no longer provide security updates, bug fixes or technical support. The installed apps may continue to function, but future macOS and online-service changes can affect suitability.
Each quantity represents one separate one-Mac licence. Check compatibility and the refund policy before ordering.

Included applications
The desktop tools people use every day
Prepare documents, analyse data, present ideas, manage business email and organise notes without a recurring Microsoft 365 subscription.
One-time purchase
Pay once for the Office 2021 release. It does not include Microsoft 365 or free upgrades to later major Office versions.
For home and work
Home & Business includes Outlook and is positioned for household, freelance and small-business productivity.
Connected features
Cloud collaboration, AutoSave and synchronisation depend on eligible services, supported accounts and internet access.
Compatibility first
Confirm the destination Apple Mac before buying
Microsoft supports Office for Mac on the three most recent major macOS versions. The supported set changes when Apple releases a new major version.
Mac hardware
- Supported Intel Mac
- Supported Apple silicon Mac
- 64-bit Office for Mac
Minimum resources
- 4 GB RAM
- 10 GB available storage
- 1280 × 800 display
Setup requirements
- Microsoft account
- Internet for redemption and updates
- Supported macOS release
Choose deliberately
Office 2021 or Office 2024?
Office 2021 is now a specialist compatibility purchase. Office 2024 is the stronger general choice when a longer supported lifecycle matters.
Choose Office 2021 when
- You specifically require the 2021 release
- You need to match an existing deployment
- You accept the short remaining support horizon
Support ends 13 October 2026
Choose Office 2024 when
- You are buying for a new installation
- You want a newer fixed feature baseline
- You value a longer remaining lifecycle
Lifecycle retirement: 9 October 2029
| Decision point | Office 2021 H&B for Mac | Office 2024 H&B | Microsoft 365 |
|---|---|---|---|
| Payment model | One-time purchase | One-time purchase | Recurring subscription |
| Licensed device | One compatible Apple Mac | One compatible Apple Mac when the Mac platform is selected | Plan-dependent, usually multiple devices |
| Outlook desktop | Included | Included | Included in eligible plans |
| Feature upgrades | Fixed 2021 release | Fixed 2024 release | Continuously updated |
| Support horizon | Ends 13 October 2026 | Retires 9 October 2029 | Supported while the service and subscription remain current |
Digital fulfilment
From payment verification to activation
Payment verified
Your order is reviewed following successful payment.
Instructions delivered
Redemption and installation instructions are typically delivered by email within 1–10 minutes after verification.
Activate on one Mac
Associate the licence with the intended Microsoft account, download Office and complete activation.
Update macOS first, then install all available Office updates through Microsoft AutoUpdate. Outdated Office for Mac installations may enter reduced-functionality mode.
Purchase confidence
Clear terms and installation assistance
Software Mart Australia
Digital fulfilment with chat, email and remote installation assistance. Compatibility should be confirmed before ordering because software licences and activation conditions require careful review.
- Australian business information displayed on the store
- Secure online checkout
- Installation assistance available
- No recurring Microsoft 365 subscription included
Questions answered
Office 2021 Home & Business for Mac FAQs
Is this product for Apple Mac only?
Yes. This listing is for one compatible Apple Mac. It is not a Windows licence.
Is Office 2021 a subscription?
No. It is a one-time purchase for the Office 2021 desktop release. Microsoft 365 services and future major Office releases are separate.
Which applications are included?
Word, Excel, PowerPoint, Outlook and OneNote for Mac are included.
Can I install it on more than one Mac?
No. One licence covers one compatible Mac. Each additional Mac requires a separate licence.
Does it work on Intel and Apple silicon Macs?
Office 2021 for Mac supports compatible Intel and Apple silicon hardware, subject to Microsoft’s current macOS support window.
Which macOS versions are supported?
Microsoft supports Office for Mac on the three most recent major macOS versions. The set changes when Apple releases a new major version, so verify Microsoft’s current guidance before buying.
Do I need a Microsoft account?
Yes. A Microsoft account is required for redemption, licence association, installation and management.
When does Microsoft support end?
Microsoft lists Office 2021 retirement on 13 October 2026. After that date there will be no security updates, bug fixes or Microsoft technical support.
Will Office stop opening after 13 October 2026?
Microsoft states that Office 2021 applications may continue to function, but using unsupported software can create security, compatibility and online-service risks.
Does it include Microsoft 365, Copilot or 1 TB cloud storage?
No. It does not include a Microsoft 365 subscription, Copilot entitlement or bundled 1 TB cloud-storage plan.
How is the product delivered?
Redemption and installation instructions are sent digitally after successful payment verification, typically within 1–10 minutes.
Should I choose Office 2021 or Office 2024?
Choose Office 2021 when you specifically require the 2021 release or need to match an existing deployment. Choose Office 2024 when a newer fixed release and longer support horizon are more important.
Choose the release that fits the destination Mac
Confirm macOS compatibility, Microsoft-account access and your support-horizon requirements before ordering.