Reinstalling MS Office 2019 in new PC without uninstalling it in older PC.

You may transfer a one-time-purchase Office 2019 license to your new Surface after the old PC’s hardware failure; locate the Microsoft account associated with that purchase, install Office 2019 from it, and use telephone activation if the activation limit appears.^1^

1. Locate the account that owns Office 2019

Office 2019 should normally be associated with the Microsoft account used when its product key was first redeemed. That account replaces the product key for reinstalling and activating Office.^2^

Because your current account shows only Office 2016:

1. Sign out of the Microsoft account website.
2. Sign in with every personal Microsoft account that might have been used when Office 2019 was purchased or first activated.
3. In each account, open Services & subscriptions and look specifically for Office 2019.
4. If purchased directly from Microsoft, also open that account’s Order history, find the Office purchase, and select Product key/Install. Microsoft Store purchases appear under the account used for the transaction.^3^
5. Search old email accounts for the Microsoft purchase confirmation, retailer receipt, or Office redemption message. This may identify the correct Microsoft account or purchase channel.

Do not attempt to redeem the original key again if it was previously redeemed. A message that the key has already been used means installation must be performed through the Microsoft account to which the key was originally linked.^4^

2. Install Office 2019 on the Surface

Once Office 2019 appears in the correct account:

1. Open the Microsoft account dashboard and sign in with that account.
2. Select Office apps.
3. Find Office 2019 and select Install.
4. Run the downloaded setup file and approve the Windows User Account Control prompt.
5. When installation finishes, open Word or Excel and accept the license terms. Activation may occur automatically.^5^

Office Home & Student, Home & Business, and Professional one-time purchases permit one active computer. Microsoft specifically allows Office 2019 to be moved to another computer you own following a hardware failure or purchase of a replacement computer.^1^

3. If activation reports that the limit was reached

Open an Office application and follow the Activation Wizard option to activate by telephone. Microsoft documents telephone activation when transferring Office 2019 to another computer.^6^

The published transfer procedure normally also requires removing Office from the original computer. Since the old disk is corrupted and the computer is unusable, that step cannot be completed locally. If telephone activation does not clear the old activation, contact Microsoft Support and provide:

• The Office 2019 edition
• Purchase receipt or confirmation email
• Original product-key card, if available
• The Microsoft accounts already checked
• The activation error message
• An explanation that the original disk failed and cannot be accessed

Microsoft Support is the necessary escalation path when neither the license nor an installation option can be found in the account.^3^

Purchase-channel exceptions

• Workplace Discount Program/Home Use Program: Use its order-history process. Office Professional Plus may require the original product key, while Office Home & Business should appear under Services & subscriptions.^7^
• Volume-licensed copy supplied by an employer: Contact that organization’s IT administrator; personal Microsoft-account reinstall instructions do not apply.
• Third-party retailer: Use the retailer receipt and original key information when contacting Microsoft Support.

Office 2019 reached end of support on October 14, 2025 and no longer receives security updates. It may still install and activate, but moving to a supported Office release or Microsoft 365 avoids the security risk of running unsupported software.^5^

References

1. Office for home
2. Using product keys with Microsoft 365 | Microsoft Support
3. Find and install your Microsoft downloads from Microsoft Store | Microsoft Support
4. Where to enter your Office product key | Microsoft Support
5. Download and install or reinstall Office 2021, Office 2019, or Office 2016
6. Activate Office after reinstalling or installing on a different device | Microsoft Support
7. Install or reinstall Office or Microsoft 365 through Microsoft Workplace Discount Program | Microsoft Support