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Fix Office 2021 on Mac Requesting Microsoft 365 Activation
Question details
The user purchased a perpetual license for Office Home and Business 2021 for Mac, but the software is incorrectly prompting them to activate a Microsoft 365 subscription.
- Product
- Microsoft Office Home and Business 2021
- Device & OS
- Mac
- Scenario
- Activating a newly installed or previously working perpetual Office 2021 license on a macOS device.
- Observed behavior
- Microsoft Office applications like Excel request a Microsoft 365 activation instead of recognizing the purchased perpetual Office 2021 version linked to the account.
Ensure you have your Microsoft account credentials ready and verify that your Office Home and Business 2021 license is actively listed under your account services at account.microsoft.com.
Verify Account License and Remove Conflicting Mac License Files
This resolves the issue by clearing out old or cached Microsoft 365 subscription licenses that are overriding your perpetual Office 2021 license on your Mac.
Activation failures often happen when a Mac still retains hidden license files from a previous Microsoft 365 trial or installation. By using Microsoft's official license removal process, you can force the software to recognize your perpetual license.
Navigate to https://account.microsoft.com/services in your web browser and sign in. Confirm that 'Office Home and Business 2021' is officially listed under your purchased products.
Download the official Microsoft License Removal Tool for Mac from the Microsoft Support website.
Open the downloaded .pkg file and follow the on-screen prompts to clear out all existing Office license files from your Mac. Restart your Mac once the process is complete.
Launch an Office application, such as Excel or Word. When prompted, sign in using the exact Microsoft account associated with your Office 2021 perpetual license to complete the activation.
Try WPS Office for Mac - No Subscription Required
Tired of activation errors and unwanted subscription prompts? WPS Office offers a free, lightweight, and highly compatible alternative to Microsoft Office for Mac users. Enjoy perpetual access to essential tools without the hassle of recurring fees or complicated license management.
- 1. Download WPS Office: Visit the official WPS website and download the installation package designed for Mac.
- 2. Install the application: Open the downloaded package and drag the WPS Office icon into your Applications folder.
- 3. Open your files instantly: Launch WPS Office and directly open your existing Microsoft Office files without needing any account activation.
Frequently Asked Questions
Why does my Office 2021 keep asking for a Microsoft 365 subscription?
This usually happens when residual Microsoft 365 license files or trial keys are left on your Mac. The system prioritizes the subscription prompt over your perpetual license until those hidden files are removed.
Do I need to reinstall Office 2021 after removing the license files?
In most cases, you do not need to reinstall the software itself. Removing the license files simply resets the activation state. You just need to open the app and sign in again. However, if the issue persists, reinstalling directly from your account page is recommended.
Can I use Office Home and Business 2021 offline?
Yes, Office Home and Business 2021 is a perpetual license that allows for offline use. You only need an active internet connection for the initial setup and activation process.
