Activation Problems

How to Fix Office 2019 Activation Error 0xC004C060 on a New Device

WPS Editor Sep 29, 2026 870 views

Question details

The user is unable to activate Office 2019 on a new computer after formatting the previous device, encountering an error indicating the product key is already used.

Fix Office 2019 Activation Error 0xC004C060 on a New Device

Product: Microsoft Office 2019
Device & OS: not provided
Scenario: Attempting to install and activate Office 2019 on a new device using an existing product key after the old device was formatted.
Observed behavior: The activation fails with error code 0xC004C060, which means the product key has already been redeemed and cannot be reused directly for a new installation.

Before you start

Ensure you have the login credentials for the Microsoft account originally used to purchase or redeem your Office 2019 license.

Solution 1Recommended

Activate Office Using Your Linked Microsoft Account

Since recent Office product keys are bound to your Microsoft account upon first use, you must install and activate from the account rather than re-entering the key.

Formatting your old computer does not automatically unregister the software from Microsoft's activation servers. To move the license, you must use the digital entitlement linked to your account.

Sign in to Microsoft Services

Open a web browser and navigate to the Microsoft account Services & subscriptions page. Sign in with the exact email address used during your original Office 2019 setup.

Locate Your License

Scroll through your list of products to find your 'Office 2019' purchase.

Download the Installer

Click the 'Install' button next to your Office 2019 product to download the setup file directly to your new device.

Sign in to Activate

Once installed, launch any Office application such as Word. When prompted, sign in with the same Microsoft account to automatically verify and activate your license.

Activate Office Using Your Linked Microsoft Account

Account Verification: Using the linked Microsoft account bypasses the need for the physical product key and resolves the 0xC004C060 error.

Solution 2

Contact Microsoft Support for License Transfer

If your Office 2019 license is legally transferable but digital activation fails on the new device, Microsoft Support must manually release the activation lock.

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1. Download the Installer: Visit the official WPS Office website and click the free download button for your operating system.
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Frequently Asked Questions

Why doesn't formatting my old computer release the Office 2019 product key?

Formatting a hard drive deletes the local software files but does not communicate with Microsoft's activation servers to de-link the license from that specific hardware signature. The servers still view the key as being in use by the original device.

Does error 0xC004C060 mean my product key is invalid?

Not necessarily. Error 0xC004C060 typically indicates that the key has successfully been redeemed in the past and linked to a Microsoft account, meaning it cannot be manually typed in again to activate a fresh installation.

Can I use my Office 2019 product key on multiple devices?

No, a standard Office 2019 retail license is valid for only one device at a time. To use it on a new laptop, you must transfer the license by installing it via your connected Microsoft account, provided the license terms allow for transfer.

What should I do if I forgot the Microsoft account linked to my Office purchase?

Try searching all your email inboxes for original purchase receipts from Microsoft. If you cannot identify the account, you will need to contact Microsoft Support with your product key and proof of purchase to recover the account information.

Installation & Activation