Applies To: Excel 2016 Word 2016 Outlook 2016 PowerPoint 2016 More...

Your options to retrieve the account and password you use to sign in and install or reinstall Office, or to manage your Office 365 subscription, vary depending on if you have Office for home or Office for business.

Already have an installed copy of Office 2016? Open any Office app to see who Office belongs to

  1. Open any Office application.

  2. Select File. If you didn’t open an existing document, create a new document to see the File menu.

  3. From the navigation on the left, select Account.

  4. Under Product Information is the name of your Office product and the phrase, Belongs to: along with the account associated with this version of Office.

    Office Account

If you don’t see Belongs to:, select Update Options > Update Now. After the update is complete, close the app and then reopen it. The account information should now be available.

If you have one, use the product key you previously redeemed for Office 2016 or Office 2013.

Use your product key to see a
portion of your Microsoft account

  1. If your copy of Office came with a 25-character product redemption key like in the image below or on an email receipt, (whether or not you have a key depends how you got your copy of Office), try the following using your key:

    Use product redemption key
  2. Go to Enter any Microsoft account or follow the prompts to create a new one.

  3. After signing in, type the 25-character key that came with your copy of Office.

  4. On the My Office Account page, you'll see a portion of the Microsoft account you used to buy or activate Office, or that tou used when you first signed in to My Account.

    My Office Account page
  5. Select the link Sign in with your other Microsoft account, and then sign in with the correct Microsoft account.

If this doesn’t help you remember your Microsoft account, you don't have or never received a product key, or someone installed Office on your behalf with a different email address and password, contact support by selecting the Ask support (it's free) link on the My Office Account page to review your options.

Reset the password of your Microsoft account

  1. If you forgot the password for the Microsoft account you associated with Office, you can reset it at

  2. Follow the prompts to reset your password.

Change your Microsoft account password

  1. Go to and sign in with your existing username and password.

  2. Select Security > Change password.

  3. Follow the prompts to enter your current password, then the new password you want, and then enter the new password again.

  4. Select Save.

Check that you typed your account name correctly

  1. Double-check that you spelled your account name correctly. Check for typos and make sure characters aren’t changed around.

  2. You may be signing in with the wrong account, such as a work or school account name, or an account that isn’t a Microsoft account.

  3. Use the Microsoft account you associated with Office. If you tried to sign in using an account that was supplied by your work or school, you may not have a Microsoft account or you just entered the wrong account.

  4. For help with work or school accounts, see Office for business.

  5. If you’re currently signed in with a work or school account, but you’re actually trying to sign in to manage your personal version of Office at My Account, you first need to sign out of your work or school account, then sign in with the correct Microsoft account.

TIP: For a business or school account, contact your admin for help with username and password.