Hello JDPRLK,

Welcome to Microsoft Community.

I am a Microsoft user just like you, I hope you are doing well?

To resolve this issue best, I will need you to remove Office apps from your device completely and reinstall Office 2016 from your Microsoft account.

Step 1: Remove Office for Mac applications

1. Open Finder > Applications. 2.Command ⌘ + click to select all of the Office for Mac applications.
2. Ctrl+click an application you selected and click Move to Trash.

Step 2: Remove files from your user Library folder

1. In Finder, press ⌘+Shift+g.
2. In the window that opens, enter ~/Library and then click Go.
3. Open the Containers folder and ctrl+click each of these folders and Move to Trash. Note that some of these folders may not be present.

com.microsoft.errorreporting com.microsoft.Excel com.microsoft.netlib.shipassertprocess com.microsoft.Office365ServiceV2 com.microsoft.Outlook com.microsoft.Powerpoint com.microsoft.RMS-XPCService com.microsoft.Word com.microsoft.onenote.mac

4. Click the back arrow to go back to the Library folder and open Group Containers. Ctrl+click each of these folders if present, and Move to Trash.

UBF8T346G9.ms UBF8T346G9. Office UBF8T346G9. OfficeOsfWebHost

Step 3: Remove from Dock and restart

1. If you put any of the Office applications in your Dock, go to each one and ctrl + click > Options > Remove from Dock.
2. Restart your Mac to complete the uninstall.

For more guidance with uninstalling Office on Mac: https://support.microsoft.com/help/eefa1199-5b58-43af-8a3d-b73dc1a8cae3

Step 4: Remove Office license files on a Mac using license removal tool. 

1. Download the license removal tool. https://go.microsoft.com/fwlink/?linkid=849815

2. Open the .pkg file from your Mac's Downloads folder.
3. Select Continue and follow the prompts in the setup wizard.
4. When you're ready to complete the license removal, select Install. You may need to enter your Mac's local admin account password.

After the tool successfully removes licenses, select Close.

Step 5: Reinstall your Microsoft Office 2016 from your Microsoft account with the active subscription by signing in https://office.com/myaccount

For more guidance with installing Office on Mac: https://support.microsoft.com/help/4414eaaf-0478-48be-9c42-23adc4716658

Step 7: Uninstall the License Removal Tool by dragging the Microsoft_Office_License_Removal file from Finder > Downloads to Trash

https://support.microsoft.com/help/b032c0f6-a431-4dad-83a9-6b727c03b193

Source: https://support.microsoft.com/office/ec3aa66e-6a76-451f-9d35-cba2e14e94c0

Please let me know if you need any more assistance.

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Warm Regards

Hello SF1188,

I’m Gunasekar and I will be happy to help you out with your question.

I understand that you are having trouble installing Microsoft Office 2016 Packages on MAC.

1. Try installing Office packages from the official website:

http://setup.office.com/

Sign in with your Microsoft account.

Enter the details of the Product key.

Get the apps.

2. Download and install or reinstall Office (related article for your reference)

https://support.microsoft.com/help/7c695b06-6d1a-4917-809c-98ce43f86479

3. Currently try downloading Office 2016 for Mac through the link below.

http://officecdn.microsoft.com/pr/C1297A47-86C4-4C1F-97FA-950631F94777/OfficeMac/Microsoft_Office_2016_Installer.pkg

-Open any browser and click the link above.

• If it says protected, click keep.
• Download and install the app
• Enter the product key to activate Office.

I hope this information helps. If you have any questions, please let me know and I’ll be glad to assist you further.

Best regards,

Gunasekar N