1. Install Office 2016 For Mac
2. Office 2016 For Mac

Open any Office app, like Microsoft Word and in the What's New box that opens, select Get Started. On the Sign in to activate Office screen, select Sign in. Note: If you weren't prompted to sign in, open a blank file and go to File New from template Sign in. Enter the email address associated with Office for Mac and click Next. We use Office 365 at work and have the latest Office 2016 for Mac installed. My Excel version is 15.26 (160910) as is the rest of the Office apps (Outlook is 15.26.1 (160196)) and it updated 2-3 days ago through Microsoft AutoUpdate.

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

Installation and activation

Install Office 2016 For Mac

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

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

Symptoms

In Microsoft Outlook 2016 for Mac, you are repeatedly prompted for authentication while you're connected to your Office 365 account.

Cause

This issue occurs because of the presence of duplicate tokens in the keychain.

Resolution

To resolve this issue in Outlook 2016 for Mac, install the February 2017 Outlook update (version 15.31.0) from the following Office website:

Office 2016 For Mac

Workaround

To work around this issue, delete any cached passwords for your account, and also delete any modern authentication tokens from the keychain. To do this, follow these steps.

Note

These steps affect all Office applications that use modern authentication.

1. Quit Outlook and all other Office applications.

2. Start Keychain Access by using one of the following methods:

   • Select the Finder application, click Utilities on the Go menu, and then double-click Keychain Access.
   • In Spotlight Search, type Keychain Access, and then double-click Keychain Access in the search results.

3. In the search field in Keychain Access, enter Exchange.

4. In the search results, select each item to view the Account that's listed at the top, and then press Delete. Repeat this step to delete all items for your Exchange account.

5. In the search field, enter adal.

6. Select all items whose type is MicrosoftOffice15_2_Data:ADAL:<GUID>, and then press Delete.

7. In the search field, enter office.

8. Select the items that are named Microsoft Office Identities Cache 2 and Microsoft Office Identities Settings 2, and then press Delete.

9. Quit Keychain Access.

   Note

   When you start Outlook, you are prompted to authenticate.