If you want to uninstall office setup 2016 completely & reinstall it, follow the given steps:
Remove Office 2016 for Mac Applications:
Open Finder and click Applications.
- Command +click to select all of the Office 2016 for Mac applications.
- Ctrl+click or right-click the applications you selected and click Move to Trash.
Remove Supporting Files:
Open Finder, click Go > Computer, and then click View >as Columns.
Go to Macintosh HD > Library > LaunchDaemons.
In the LaunchDaemons folder, ctrl+click or right-click this file if present, and then click Move to Trash.
Go to Library > PrivilegedHelperTools, ctrl+click or right-click this file if present, and then click Move to Trash.
Go to Library > Preferences and ctrl+click or right-click this file if present, and then click Move to Trash.
Get office 2016 setup here : office setup
Download and Run the License Removal Tool:
Follow the instructions on How to remove Office license files on a Mac to use the License removal tool. This will completely remove license files from your Mac.
Remove Office 2016 for Mac Icons from the Dock:
If you added Office icons to the Dock they may turn into question marks after you uninstall Office 2016 for Mac.
To remove these icons, control+click or right-click the icon and click Options > Remove from Dock.
Restart your Computer:
When you’ve removed all the files listed in this section, empty the Trash and restart your computer.
For more details, visit : www.office.com/setup