The Unlicensed Product Microsoft Office Error is common in all versions of Office like Microsoft 365, Office 2021, Office 2019, and Office 2016. To use the core applications in any edition, you need to activate the proper method for each edition. When you open Microsoft Word, Excel, Outlook, or PowerPoint, you will see a message that says: “Unlicensed Microsoft Office.”

Causes for Unlicensed Product Error

Regular causes for this Unlicensed Product error include:

• Subscription expired: If your Office subscription has expired, you may encounter the “Unlicensed Product” error.
• Account not working: The account associated with your license may no longer be valid or active, leading to the error.

• UNLICENSED
• PRODUCT
• MICROSOFT
• OFFICE

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