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How to Reinstall Office Professional Plus 2021 After Replacing a Failed Computer
Question details
The user needs to know if and how they can reinstall and activate Office Professional Plus 2021 on a new PC following a motherboard failure on their previous device.
- Product
- Microsoft Office Professional Plus 2021
- Device & OS
- Windows 11
- Scenario
- Transferring or reinstalling an existing Office software license to a new computer after the original computer suffered a major hardware failure.
- Observed behavior
- The user seeks the correct portal and troubleshooting steps to ensure the Office 2021 license transfers successfully to the replacement Windows 11 hardware without activation blocks.
Ensure you have the login credentials for the specific Microsoft account that was originally used to purchase or link your Office Professional Plus 2021 license.
Reinstall and Activate via Your Microsoft Account
Use your associated Microsoft account to download the installer and transfer your Office license to the new hardware.
Retail licenses for Office 2021 are generally transferable to a new computer if the original hardware fails. However, if your license is volume-licensed or managed by an organization, you may need to contact your IT administrator to release the activation.
Open your web browser and navigate to the Microsoft Account Services page (https://account.microsoft.com/services) or the Office Portal (https://portal.office.com).
Log in using the Microsoft account email and password associated with your Office 2021 license.
Locate 'Office Professional Plus 2021' in your list of purchased products or subscriptions, and click the 'Install' button to download the setup file to your new Windows 11 computer.
Run the downloaded setup file and follow the on-screen instructions to complete the installation.
Open an application such as Word or Excel. When prompted, sign in with your Microsoft account to activate the software on the new device.
Try WPS Office for Free on Your New Computer
If you are unable to transfer your Office 2021 license due to hardware limitations or simply want to avoid complicated activation processes, WPS Office provides a lightweight, highly compatible alternative. Enjoy seamless document editing on your new Windows 11 PC without activation headaches.
- 1. Download the software: Visit the official WPS Office website and download the free installation package.
- 2. Install on your new PC: Run the installer file and complete the quick setup process in just a few clicks.
- 3. Open your files: Launch WPS Office and instantly open your existing .docx, .xlsx, and .pptx files to continue your work.
Frequently Asked Questions
Can I transfer an OEM Office 2021 license to a new computer?
Generally, no. OEM versions of Office that came pre-installed on your computer are tied to the original motherboard and cannot be legally transferred to a new computer, even if the motherboard fails.
What should I do if my Office 2021 is not showing up in my Microsoft account?
This usually means you are logged into a different Microsoft account than the one used to register the product. Verify that you are using the exact email address from your original purchase or activation.
Do I need my 25-character product key to reinstall Office 2021?
In most cases, you do not need the product key. Since your Office 2021 license is digitally linked to your Microsoft account, logging into your account services page is sufficient to reinstall and activate the software.
How do I fix the telephone activation is no longer supported error?
If you encounter this specific error during activation on your new computer, you must contact Microsoft Support directly or use the Microsoft Support and Recovery Assistant, as they will need to manually verify your hardware failure.
