How to find product key for Microsoft Office already installed

If you’re trying to find your Microsoft Office product key this way and it doesn’t pan out, don’t sweat it! Check your email for the original purchase confirmation or if you’ve got a physical copy, that key is usually on the box or inside. Also, don’t forget that Microsoft 365 relies on your account, so sometimes, logging into your Microsoft account can give you access without needing a product key at all!

If you’re trying to find the product key for Microsoft Office using methods like checking the registry or using PowerShell's Get-WmiObject, there are some real downsides to consider. The PowerShell angle. While it's pretty powerful, not everyone is comfortable with commands. If you’re not familiar with it, trying to fish out that key can feel like trying to read an alien language. Plus, sometimes organizations set things up so that info is obscured for security reasons. So, you might just end up hitting a wall.

And let’s not forget privacy and security concerns. Accessing registry keys or running PowerShell commands might expose more than just your Office key. You could potentially reveal other sensitive system info, and that’s something you'd want to avoid.

Awenam An Office product key is a 25-character alphanumeric code used to activate Microsoft Office software. It verifies that the copy of Office you're using is genuine and properly licensed. This key is provided when you purchase Office and is necessary to unlock full features of the software.

If Microsoft Office is installed on your computer and activated, you can retrieve the product key using the Command Prompt. Note that this method only works for some versions of Office, particularly if the key is stored in the system's registry (usually with older versions or volume licenses).

How to Find Office Product Key via CMD:

1. Press Windows + S and type cmd.

2. Right-click Command Prompt and select Run as administrator.

3. In the Command Prompt window, type the following command and press Enter:

wmic path softwarelicensingservice get OA3xOriginalProductKey

4. If the product key is stored in the system's BIOS/UEFI (for OEM pre-installed Office), it will be displayed.

If you’re using a version of Office that’s part of a volume license agreement (such as from your organization), you might be able to retrieve the Office product key by checking the registry or using the Get-WmiObject command in PowerShell:

(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey

To find product key for Microsoft Office. If you see someone offering a product key on social media, be skeptical. Legitimate companies don’t just throw out keys on Twitter or Facebook. These are usually scams looking to reel you into providing personal info. Sometimes, you might find a deal that includes both Office and other software. Make sure to check if the key is legitimate. Sometimes these bundles have counterfeit keys or they’re tied to specific hardware. Check the terms!

Each version of Microsoft Office has its own licensing terms. If you buy a key meant for business use, it might not work for personal use and vice versa. So, make sure you know what version you're getting it for! Before hunting for a new key, check if you already have a subscription or a key lying around somewhere. You might have bought it ages ago and forgotten about it. Plus, Microsoft 365 offers cloud storage and other perks that might be included in your existing deal.

If you purchased Microsoft Office as a physical product or via email, the product key is usually included on the packaging or in the confirmation email from Microsoft or the retailer. This is the easiest way to find product key for Microsoft Office already installed on a PC.