How to Change Office 2019 Product Key (2024)

If you decide to purchase multiple copies ofMicrosoft Office 2016orMicrosoft Office 2019and used the sameInstall buttonto install these copies of Office on multiple personal computers, theactivation processwill fail on all but one of these computers.

Thiserror occursbecause everyInstall buttonhas been associated with a uniqueproduct keythat can be used for only one install on one personal computer, thus preventing you from re-using it without paying for another copy of Office. However, causing conflict if more copies are being installed at once.

You can fix this by changing the product key for the other computers where you installed a copy of Office. You can do this in two different ways, one of which is using theCommand PromptforWindows operating systems.

How to change product key for Microsoft Office 2019 and 2016

If youinstalled Office 2019, Use the following steps to change yourOffice 2019 product key:

Step 1. Open an Office application

Locate one of yourOffice 2016or Office 2019 applications and open them. You can locate them in yourstart menu(Windows icon) by searching for them or launching adesktop shortcut.

Step 2. Navigate to Change license

In the Office app of your choice, navigate to theFilemenu and click on Account and Change license, which will take you to the window used to change theOffice product keyfor Microsoft Office 2019 and 2016.

Step 3. Enter a product key instead

If you are signed in to yourMicrosoft account, click theUse a different accountbutton, and selectEnter product key instead. You can skip straight to entering a product key if you are not logged into an account at the time of performing the product key change.

Step 4. Change your product key

Enter the Office 2016 or Office 2019product keyof your choice and simply click theInstall this product insteadoption. If this is a new product key, you will be prompted to redeem the key; to do this, simply follow the on-screen instructions.

Step 5. Update

Your Office application(s) are being updated now. To finish changing your product key, close all Office applications.

How to prevent this from happening?

If you want to prevent this issue from happening, we recommend that you set up a management document for your Office product keys, including the name of yourpersonal computers,for easy recognition.

Simplyset up a two-column tablein any application or online service such asExcel,Google Docs, Word, or Google Sheets. Includea column for your personal computer name and the Office product key used for the PC.

How to find your Office product keys

Make sure youwrite down the full product key anda computer name that you will recognize easily.

To find the full product key of an Office product you own, you first mustsignin to your Microsoft account associated with your copy of Office, meaning it is the account you used to activate your Office application(s) when downloading and installing them.

To sign in, simply navigate to theServices & subscriptionspage, and clickSign in with Microsoft.

On this page, simply enter your correct login details and proceed to sign in with your account.

Once again, make sure you are using the account associated with your copies of Office.

When you successfully log in, you will see a button that saysView product keynext to each product you own, allowing you to easily copy and note down every single product key you have.

How to Check Windows Version

Next, you want to identify which product key is used on your computers to organize everything properly.

To do this, simply open a Command Prompt by clicking on thesearch iconlocated next to your Windows icon in the lower-left corner of your PC and typing inCommand Prompt. Right-click on it and selectRun as administrator.

Depending on your operating system and Office bit version, copy and run one of the following commands by pressing enter.

If you don’t know what bit version system you are running,right-clickon the Windows icon in the bottom left corner of your screen, selectSystemand check yourSystem typeto identify the correct version of your system.

For 32-bit Office and 32-bit Windows:

cscript "C:\Program Files\Microsoft Office\Office16\OSPP.VBS"/dstatus

For 32-bit Office and 64-bit Windows:

cscript "C:\Program Files (x86)\Microsoft Office\Office16\OSPP.VBS"/dstatus

For 64-bit Office and 64-bit Windows:

cscript "C:\Program Files\Microsoft Office\Office16\OSPP.VBS"/dstatus

This will show you the last five characters of the product key you installed your copy of either Office 2016 or Office 2019 on a computer, allowing you to identify the product keys you own and which computer they are installed on.

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Keep Learning

>How to Use Your Product Keys in Microsoft Office
>How to Install Office on a Windows PC Using My Online Microsoft Account
>How to Install Microsoft Office Application: An Expert Guide