If there are corrupt Office installation files on your computer or registry entries, Office 2013 can’t be reinstalled, so you need to remove all Office leftovers from your PC. Microsoft has released a Fix It solution to uninstall Office 2013 or Office 365 completely from your PC.
This Fix It solution is designed to uninstall Office 15 editions from Windows 7, 8 and Windows 8.1. Download the application and run it, then follow the instruction. If the Fix It solution will not help you to uninstall Office 2013 or Office 365 from your PC, please follow this manual method.
