Can Office 2021 Home and Business Run on Windows 11 Pro?
Question details
The user wants to know if Microsoft Office 2021 Home and Business is compatible with Windows 11 Pro and how long the software will be officially supported.

- Product
- Microsoft Office 2021 Home and Business
- Device & OS
- Windows 11 Pro
- Scenario
- Installing a purchased copy of Office 2021 on a new or upgraded Windows 11 Pro computer and planning for long-term usage.
- Observed behavior
- Seeking compatibility confirmation and support lifecycle end dates to ensure successful software deployment and maintenance.
Ensure your Windows 11 Pro operating system is fully updated to the latest version and verify that your computer's hardware meets the basic system requirements for Microsoft Office.
Verify Compatibility and Install Office 2021
Confirm that your Windows 11 Pro system meets the requirements and proceed with the installation through your Microsoft account.
Office 2021 Home and Business, as well as Microsoft 365 and Office LTSC, are officially supported and fully compatible with Windows 11 Pro.
Microsoft provides a fixed lifecycle policy for Office 2021, offering five years of Mainstream Support from its initial release date. This means technical support and security updates will conclude in October 2026.
Visit the official Microsoft 365 and Office system requirements page to ensure your Windows 11 Pro computer has the necessary CPU, RAM, and storage space.
Navigate to the Microsoft Lifecycle Policy website and search for 'Office 2021' to view the specific end-of-support dates.
Sign in to your Microsoft account dashboard, go to the 'Services & subscriptions' section, locate your Office 2021 Home and Business license, and click 'Install'.

Try WPS Office for Seamless Windows 11 Compatibility
If you are concerned about Microsoft Office support lifecycles or high licensing costs, WPS Office is a free, lightweight, and highly compatible alternative that runs flawlessly on Windows 11 Pro.
- 1. Download the Installer: Visit the official WPS website and click 'Download WPS Office Free' to get the latest version for Windows.
- 2. Run the Setup: Double-click the downloaded setup file on your Windows 11 Pro PC and follow the quick on-screen instructions.
- 3. Open Your Documents: Launch WPS Office and instantly open your existing Word, Excel, or PowerPoint files with zero formatting loss.

Frequently Asked Questions
Does Office 2021 work on Windows 11 Home edition?
Yes, Microsoft Office 2021 is fully compatible with all standard editions of Windows 11, including both Home and Pro versions.
What happens after Office 2021 reaches its end of support?
Once support ends in October 2026, Office 2021 will continue to function normally on your computer. However, you will no longer receive security updates, bug fixes, or technical support from Microsoft.
Can I transfer my Office 2021 Home and Business license to a new Windows 11 PC?
Yes, Office 2021 Home and Business is a retail license. You can uninstall it from your old computer and reinstall it on a new Windows 11 PC by signing in with the Microsoft account linked to the purchase.




