1. Install Office 2016 For Mac
2. Office 2016 For Mac Not Signing Invalid

If you are unable to sign into Microsoft Office (or Outlook repeatedly prompts you for login, does not show any data, edit a Word/Excel/PowerPoint data file, or receive encrypted connection error) it may be due to a NetID password change, a NetID change, or corrupted account credentials. Follow some common solutions to this issue below.

Possible solutions

Activate MS Office 2019/2016 for macOS - MicrosoftOffice2019VLSerializer Office 2019 above. Note that Office2019 DO NOT support activate via simple copy/paste plist license file which is the simplest way to activate Office 2016. Fortunately, you can also use the VL Serializer tool, just install Office 2019 and Serializer, then run Serializer to activate. Outlook 2016 for Mac integrates with a variety of different email clients, including Exchange, Office 365, Outlook.com, Hotmail, iCloud, Google, and Yahoo! This means that when you add all of your email accounts to Outlook, you can compose new messages and read and respond to email messages from one application—no need to open multiple email. Activate MS Office 2019/2016 for macOS - MicrosoftOffice2019VLSerializer Office 2019 above. Note that Office2019 DO NOT support activate via simple copy/paste plist license file which is the simplest way to activate Office 2016.

• Option 1 - Update your software to the latest version

  • Windows OS

    Run Windows Update and install the latest updates.

    Windows Office

    Follow steps to update Office.

    Mac OS

    Run Office Updates.

• Option 2 - Your account was compromised and you are blocked from connecting
  • Review your client protocols. If your client protocols are disabled, contact the DoIT Help Desk.

• Option 3 - Reset/Remove your account credentials from within your OS

  • Windows OS

    Remove/Delete all Outlook/Office records from within credential manager.

    Mac OS

    Access the keychain application and remove/delete any of the following records: Microsoft Office Identities Cache 2 | Microsoft Office Identities Settings 2 and any ADAL, Microsoft, or Office entries that are listed within the 'Name' or 'Kind' columns. Note: search for 'microsoft' and 'adal' within the keychain application and delete all returned results. Detailed steps.

• Option 4 - Delete license files - MacOS only
  • Remove license files on a Mac.

• Option 5 - You are not authenticated into Office using your UW-Madison Office 365 account
  • Confirm you are authenticated with your Office 365 account.

• Option 6 - If your computer is not connected to UWNET/Campus network, use WiscVPN

• Option 7 - Download and run Microsoft's Support and Recovery Assistant for Office 365

  • Windows OS

    Note: Only available for Windows. This tool must be run on the affected machine.

    Download the tool here: Fix Outlook and Office 365 problems with Microsoft Support and Recovery Assistant for Office 365.

• Option 8 - Delete Cached Preferences

  • Mac OS

    Note: Only available for Mac OS.

    • Outlook Desktop Client

      • Delete Cached Preferences

        1. Quit Outlook
        2. Open Terminal (click the Spotlight search glass in the top right corner and type terminal).
        3. Type: defaults delete com.microsoft.Outlook (to delete the old preferences).
        4. Type: killall cfprefsd (to kill the cached prefs).
        5. Quit Terminal.
        6. Launch Outlook and check.

• Option 9 - Sign out of the connected device associated with the Office email account
  1. Sign into the account: https://portal.office.com/account/.
  2. Select View apps & devices from within Office apps & devices module.
  3. Click DEVICES and sign out of all the devices that you are singed into. This will prompt the user to authenticate via NetID login on all the devices they are connected to via their Office 365 account.

• Option 10 - Fully uninstall and reinstall Microsoft Office

  • Uninstall Office

    Windows OS

    Review the following Microsoft documentation for instructions.

    Mac OS

    Review the following Microsoft documentation for instructions.

    Install Office

    Follow steps outlined in Office 365 - Download/Install Office 365 document.

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

Installation and activation

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.

Install Office 2016 For Mac

Troubleshooting

Office 2016 For Mac Not Signing Invalid

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