Find your Office product key

When you install or activate Office 365, Office 2016, or Office 2013, you might be prompted to enter a 25-character product key that uses a combination of letters and numbers in this format:

XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Product keys include hyphens, but you can omit them when you enter your product key.

I found my product key. Where do I enter it?

I don't have my product key, but I know my Microsoft account that's associated with Office

How to find your product key

The way you can find your product key depends on how you got Office 365, Office 2016, or Office 2013. Select how you got Office from the options below.

Tip: For older versions of Office, see Office 2010 product keys, Office 2007 product keys, or Office for Mac 2011 product keys.

If your new computer came with Office pre-installed, some computer manufacturers include a digital product key, and others include a product key card. To find out if you need a product key, go to Start > Microsoft Office > Activate or Start > Word 2016 > Activate on your new computer. If you're not prompted for a product key, this means you have a digital product key and you don't need a product key card. Just follow the prompts to associate a Microsoft account with Office.

If you're prompted for a product key, look for the product key on a card in the computer's packaging. The key uses a combination of 25 letters and numbers and looks like this: XXXXX-XXXXX-XXXXX-XXXXX.

If you can’t find a product key card, it's possible that the computer manufacturer pre-installed Office but didn't include an Office 365 subscription or Office license. To continue using Office, use the Try or Buy options to start a trial or buy Office.

This is only for the 2013 and 2016 versions of the following products:

  • Office Home & Student

  • Office Home & Business

  • Office Professional

Here's how to view your product key:

  1. Go to My Office Account, and then select Install from a disc.

    Shows the "Install from disc" link on the My Account page
  2. Select I have a disc, and then select View your product key.

    Shows the View Product Key button

Do you manage several installations of Office that are all tied to one Microsoft account? Did you lose track of which product key was used to install Office on which PC? If you answered yes to these questions, see Manage multiple one-time-purchase Office installs that use the same Microsoft account to learn how to identify which Office product key was used to install Office on each PC.

If you have already installed multiple one-time purchases of Office and activation is failing on subsequent installs, see Change your Office product key.

If you purchased and downloaded Office from an online store, the product key might be in your email receipt.

Try the following to find this confirmation email:

  • Check your spam, bulk, or junk mail folders for the email.

  • Try searching your email for the word “Microsoft” or the name of the company where you bought Office.

  • If you have multiple email accounts, check the email account that you provided when you purchased Office.

Note: Product keys aren't emailed for online purchases of Office 365 because you don't need a product key when buying Office 365 online.

If the product key isn't in the email receipt or if you can’t find the email receipt, you may be able to retrieve the product key by using the Order History link for the store you made the purchase from:

  • Microsoft Store: Go to www.microsoftstore.com and sign in with the user ID and password you used to purchase and download Office. After you sign in, click Digital content to view the product keys.

    Shows a digital order of Office, its product key, and buttons for installing Office and managing your Microsoft account.

Next step: I found my product key. Where do I enter it?

If you received a physical box or card, look on the packaging or card for the product key. You might need to carefully scratch off any silver coating that covers the key.

Box and card

Next step: I found my product key. Where do I enter it?

You'll be prompted for a product key when you install the following versions of Office from a DVD or by using the offline installer:

  • Office Home & Student

  • Office Home & Business

  • Office Professional

To continue, you can sign in with your Microsoft account by selecting the Sign in with an active account instead link in the Enter your product key dialog box. There's no need to enter a product key, but if you want to find it, here's how:

  1. Go to My Office Account, and then select Install from a disc.

    Shows the "Install from disc" link on the My Account page
  2. Select I have a disc, and then select View your product key.

    Shows the View Product Key button

Here's how to find your product key through the Home Use Program. If you need more help, see Install or reinstall Office through the Home Use Program (HUP).

  1. Go to microsofthup.com.

  2. Select the Order History link in the upper right-hand corner of the page.

  3. Enter the work email address that you used to buy Office. This will send an email to yourself that contains a link to your order history.

  4. In the email you receive, select the link to view your order history.

  5. On the Order History web page, select your order number.

    Your product key is listed under Microsoft Office Product Key (FPP) on the Order Details web page.

    Shows the Install button in the Order Details from the Home Use Program

If you're at work and Office Professional Plus is prompting you to enter a product key, ask your administrator for a product key. To learn more, see Activate volume editions of Office.

When you activate or renew a Microsoft Open subscription, you don't have to manually enter a product key because the system automatically enters it for you. To learn how, see Enter a key purchased through Microsoft Open. For help, contact your Office 365 partner.

You don’t need a product key to activate Office.

To get started, go to Office 365 Education and sign up with your school email address. If your school provides the full Office desktop apps, you’ll see the Install button on your Office 365 home page after you sign up.

I lost my product key

Remember that if you associated your copy of Office with a Microsoft account, you don't need your product key to reinstall Office 365, Office 2016, or Office 2013. Just follow the steps in Install Office on your PC or Mac.

Expand a section below to learn how to replace a lost Office 365, Office 2016, or Office 2016 product key.

If you lost your product key, but have a valid proof of purchase, see I want to talk to a human at the bottom of this page. Microsoft support may be able replace your product key or provide other options.

If you believe the product key has been lost, stolen, or misplaced and you simply would like to purchase a newer version of Office, you can click Buy Office to see your purchase options. Or if you’d like to learn more about the latest version of Office first, see What's the difference between Office 365 and Office 2016? and Why you should upgrade to Office 2016.

If you associated a Microsoft account with Office, you don't need a product key

If Office is prompting you for a product key, you can enter your Microsoft account instead. Try selecting the Sign in with an active account instead link in the Enter your product key dialog box and sign in with the Microsoft account that you associated with Office. We can help if you can't remember the Microsoft account you use with Office.

Are you trying to reinstall Office? You don't need a product key to reinstall Office 365, Office 2016, or Office 2013. Just follow the steps in Install Office on your PC or Mac.

I can't remember my Microsoft account or password

If you forgot which Microsoft account that you use with Office, see I can't remember the Microsoft account I use with Office. If you can't remember your password, you can reset it at https://account.live.com/ResetPassword.aspx.

I want to talk to a human about my product key

If you’ve followed the guidance in this article and still need help, visit our Microsoft support page for assistance.

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