Today, I have installed Office 2016 setup to use Outlook 2016 and put in the product key when I open the outlook. After entering the product key, it sends to the product Activation page, the product activation message says that it is valid key but it is already used. So, now I have been forced to change the new product key.

1. How Do I Activate My Microsoft Office 2016 For Mac With A Product Key
2. Office 2016 Product Key List
3. Free Office 2016 Product Key

Find and Reset Office 2016 License Key using VBScript

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1. Open a command prompt (Start-> Run: cmd).
2. Run the following commands:

3. Note it the 5 digit partial product key (You may find multiple keys).

4. Then run the following command after replacing the <partial_key> with the 5 digit key that you got previous step.

This will uninstall an installed product key with partial product key you noted earlier. Uninstall all of the keys.

5. Now you should be able to set the license key as usual way. Or you can use following command after replacing the <new_full_key> with your new license key:

Then you need run the below command to activate license.

Note:

Depending on the combination of Office version you might have to change the path to Program Files(x86)

For (x64 Office 2016) : C:Program FilesMicrosoft OfficeOffice16
For (x86 Office 2016): C:Program Files(x86)Microsoft OfficeOffice16

For (x64 Office 2013) : C:Program FilesMicrosoft OfficeOffice13
For (x86 Office 2013): C:Program Files(x86)Microsoft OfficeOffice13

How Do I Activate My Microsoft Office 2016 For Mac With A Product Key

The following explains how to install and activate Office 2016 on a Mac.

Installation and activation

Office 2016 Product Key List

1. Go to Office 2016 for Mac in IUware. (You'll need to log into IUware, even if you are already logged into CAS.)
2. Click Get product key to see your assigned product key.
3. On the Office setup page, enter your 25-character product key from IUware, and click Get Started.
4. On the 'Welcome to Office Online' page:
   • If you already have a Microsoft account: At Office Online, enter your Microsoft account email address and password. Proceed to step 5.
   • If you don't have a Microsoft account: Create one, as follows:
     1. At the bottom of the page, click Sign up now and complete the required fields. UITS recommends creating an account with your primary IU email address (e.g., username@iu.edu) to ensure the least margin of error.
     2. You'll receive an email message requesting verification. Follow the instructions to finish creating the account.
        If the email message does not arrive within a few minutes, use the resend email option.
     3. Log into Office Online with your newly created Microsoft account. After selecting your country/region and language, click Continue. When prompted, enter a first and last name for the account.
5. Verify that 'Microsoft Office Home & Business 2016 for Mac' shows on your account page.
6. On the Microsoft page, click Install to download the installation file. Alternatively, download the installation file from IUware directly.
   The Microsoft account must show the 'Microsoft Office Home & Business 2016 for Mac' registration in step 5. If this is not completed, it will not be possible to activate the Office 2016 product after installation.

   If you downloaded the .dmg file from IUware, open the Finder, select Downloads, and then open Microsoft Office 2016 Installer.pkg. Click Continue.

7. Once Office is installed, a new window will open. Click Get started >.
8. You will be prompted to sign in to activate Office. Select Sign In, and then enter the email address and password for the account that you activated with the Office 2016 product key from IUware.
9. Enter your Microsoft account email address and click Next.
10. Choose Microsoft account.
11. Finish the activation process by signing in with your Microsoft credentials.
12. In the 'How would you like Office to look' interface, choose Colorful or Classic, and then click Continue >. You should then have full use of Office 2016.

Troubleshooting

Free Office 2016 Product Key

To troubleshoot installation or activation errors, see the Microsoft Guide.