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This article is for Office for Mac 2011. Are you using Office on PC? See Using product keys with Office.

Where do I find my Office for Mac 2011 product key?

Once you have your product key, see Activate Office for Mac 2011.

When you install or reinstall Microsoft Office, you are prompted to enter the product key. The product key is used during installation to "unlock" the software. If you can’t find your product key, it may be in one of these places:

Tip: If your copy of Office came with a PIN instead of a product key, go to and enter your PIN to get your product key.

Where did you get Office?

Check here for your key...

Can't find it?

I downloaded Office from an online store.

The product key should be in your email receipt. If you didn’t get a receipt, check your junk mail folder.

Email receipt

Try logging into the site where you purchased Office to check your order details. If you still can’t find your product key, contact the seller to ask for the link or receipt to be resent.

I downloaded it from

Go to your Account page and click Digital Content. Or search your inbox for an email from

Check your Order History page for information on how to contact Support.

I bought Office without a DVD at a physical store.

If Office came with a box or card, look on the card or packaging. This is a one-time PIN. If you have not used it, go to and enter your PIN to get your product key.

Box and card

If you used the PIN, your product key may have been stored on your account page.

I bought a DVD at a physical store.

The 25 digit product key is on a yellow sticker on the inside of the DVD case.

Typical Product Key sticker for Office for Mac 2011 with disc

If you misplaced your key before you redeemed it, you may need to purchase a replacement.


Find your product key by logging into the MSDN subscriber download site.

If you are having trouble accessing your product key, contact Microsoft Support.

Home Use Program

If you’re in the Home Use Program, you’ll need a program code, not a product key. To get your program code, go to the Home Use Program, select your country/region, enter your work email address, and click Don’t Know Your Program Code? On the next page, click Verify Email. You can also try searching your inbox for a confirmation email from

If you are having trouble accessing your product key, contact Microsoft Support.

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