How to Activate Excel and Word in MS Office Professional Plus 2021
Question details
The user needs to activate Excel, Word, and Outlook in Microsoft Office Professional Plus 2021 after reinstalling the software.
- Product
- Microsoft Office Professional Plus 2021
- Device & OS
- not provided
- Scenario
- Reinstalling the Office suite and attempting to activate the software using a product key or digital license.
- Observed behavior
- Activation fails due to the product key being linked to a different Microsoft account, or an incorrect password preventing a successful sign-in.
Ensure you have access to the original Microsoft account used to purchase or link your Office 2021 license, and have your product key card ready if you purchased a physical copy.
Reinstall and Activate from Your Microsoft Account
The most reliable way to activate Office 2021 is to install it directly from the Microsoft account where your digital license or product key is already linked.
If you previously redeemed a product key card, the license is permanently attached to your Microsoft account. You cannot reuse the physical key itself to activate a fresh installation; you must sign in to the authorized account.
Open the Control Panel on your computer, navigate to 'Programs and Features', locate your current Microsoft Office installation, and select 'Uninstall'.
Open your web browser, go to account.microsoft.com/services, and sign in with the Microsoft account associated with your Office 2021 purchase.
Find 'Microsoft Office Professional Plus 2021' in your list of subscriptions and services. If it does not appear, try signing in with any other personal or work email addresses you may have used.
Click the 'Install' button next to your Office 2021 product to download the installer. Run the downloaded file to install the suite onto your computer.
Once the installation is complete, open Excel or Word. When the activation prompt appears, sign in with the exact same Microsoft account to automatically activate the software.
Reset Your Microsoft Account Password
If you are unable to activate because you keep receiving an incorrect password error during sign-in, resetting your Microsoft account credentials can resolve the issue.
Use WPS Office as a Hassle-Free Alternative
If you are struggling with complex product key activations or account recovery for Microsoft Office, consider switching to WPS Office. It provides a lightweight, highly compatible, and completely free alternative for creating and editing Word documents, Excel spreadsheets, and PowerPoint presentations.
- 1. Download WPS Office: Visit the official WPS website and click on the 'Free Download' button to get the installer.
- 2. Install the Software: Run the downloaded executable file and follow the simple on-screen instructions to complete the installation.
- 3. Open and Edit Files: Launch WPS Office and immediately start opening your existing Word, Excel, and PowerPoint files without worrying about complex activations.
Frequently Asked Questions
Why is my Microsoft Office 2021 product key saying it has already been used?
A product key can only be redeemed once. When you first enter it, the key is permanently linked to your Microsoft account. For subsequent installations, you do not need the key; instead, you must sign in to the Microsoft account associated with that original redemption.
How do I find out which Microsoft account is linked to my Office 2021 license?
Microsoft does not provide a direct way to view the full email address linked to a product key for security reasons. You will need to check the 'Services & subscriptions' page of any Microsoft accounts you own (such as personal, work, or school emails) to see where the Office 2021 license is listed.
Can I activate Office Professional Plus 2021 without a Microsoft account?
No, Office Professional Plus 2021 requires a Microsoft account for both the initial redemption of the product key and the subsequent activation process on your device. The digital license must be attached to an account to verify ownership.
What should I do if my Office 2021 activation keeps failing after a password reset?
If activation still fails after resetting your password, ensure you have completely uninstalled any previous versions or expired trials of Office on your PC. After a clean uninstall, reboot your computer, download the installer directly from your Microsoft account, and try signing in again.
