How to fix Office 365/2021 Activation and Unlicensed Product Error

The Unlinsced Product and Activation Error error typically occurs when using software that requires a valid license for activation or continued usage. This error message is a result of the software detecting an invalid or expired license key, preventing users from accessing the full range of features or even rendering the software unusable.

Unlicensed Product and activation errors
Few Reasons for this Unlicensed Product Error

Expired or Invalid License Key:

This is one of the most common causes of the Unlinsced Product and Activation Error . If the license key provided during installation or Activation is incorrect or has expired, the software may encounter this error message.

Pirated or Unauthorized Software:

Using pirated or unauthorized versions of software is not only illegal but can also lead to the Unlicensed Product error. These versions often lack a valid license or may have been tampered with, leading to the error message.

Activation Server Issues:

Sometimes, the error may arise due to problems with the activation servers of the software. If the servers are experiencing downtime or connectivity issues, the software may fail to verify the license, resulting in the Unlicensed Product error.

Implications of the Unlicensed Product Error

Encountering the Unlicensed Product error can have various implications, including:

Limited Functionality:

Without a valid license, users may experience restricted access to certain features, diminishing the software’s overall functionality and potential.

Security Concerns:

Using unlicensed software increases the risk of malware infections, data breaches, and other security vulnerabilities.

Licensed software often includes essential security updates that protect users from potential threats.

Legal Consequences:

Employing pirated or unauthorized software can lead to legal repercussions, including fines and penalties for copyright infringement.

Quick Steps to Reslove this Error “Unlinsced Product and Activation Error “

Update Office:

Make sure you have the latest updates installed for your Office suite. Updates often include bug fixes and improvements that can address activation issues.

  1. Open any Office application, go to the “File” menu.
  2. Choose “Account” or “Office Account.”
  3. Look for an option to check for updates and install any available updates.

Check your subscription status:

If you’re using a subscription-based version of Office, such as Office 365, ensure that your subscription is active and not expired.

Sign in to your Microsoft account associated with your subscription to verify the status.

Repair Office installation:

  1. Office has a built-in repair option that can help fix activation errors.
  2. Open the Control Panel (Windows) or System Preferences (Mac),
  3. Find the “Programs” or “Applications” section.
  4. Locate Microsoft Office, and Choose the option to repair or modify the installation.

Reset Office activation:

Office Activation

In some cases, resetting the Office activation can resolve issues.

  1. Open any Office application, go to the “File” menu,
  2. Choose “Account” or “Office Account,” and look for an option to sign out or deactivate Office.
  3. Once signed out, sign back in with your Microsoft account and follow the prompts to reactivate Office.

Verify License Key:

Double-check the license key provided during installation or activation. Ensure it is correctly entered and has not expired.

If necessary, contact the software provider or vendor for assistance in obtaining a valid license.

Reinstall the Software:

If the error persists, try reinstalling the software. This process may reset any misconfigurations and allow for a fresh activation attempt with a valid license.


If the issue remains unresolved, reach out to the software provider’s customer support. They can provide specific guidance and help and support with clear troubleshoot the Unlicensed Product error based on the software in question.

Tags: , , , , , , , , , ,

Most Viewed Posts
How to solve error code 8024400a in windows 10/11 update
Solutions for Windows Update Error Code 0x80070422
Windows 10/11 update error code 0x800700c1
How to Fix Error Code 0x80080005 in Windows 10/11 Update?
[Fixed] Windows Update Error Code 0x800b010a