Download Office 2016 official removal tool. If you’re not able to uninstall Office 2016 by visiting Control Panel’s Programs and Features, then you can use Fix it tool released by Microsoft to remove it. If your Office 2016 uninstall failed, then to remove it and reinstall same Office version or another, you’ve to run this tool.
Microsoft’s Fix it tool for Office 2016
This tool completely removes Office 2013 or Office 2016 from your computer, it applies the repairs automatically.
If this Fix it tool doesn’t completely uninstall or remove Office 2016, then follow the instructions on this page to manually get rid of it.