Hello,
This is Jay Cee, I'll do my best to help you get the concern sorted, or direct you towards the solution needed.
You may attempt to perform Online repair by following the steps below:
On the Windows Start screen, type Control Panel. Click or tap Control Panel. Under Programs, click or tap Uninstall a program. Click or tap Microsoft Office Program installed in the PC, and then click or tap Change. Click or tap Online Repair, and then click or tap Repair. You may have to restart your computer after the repair process is complete.
Please let me know if this helps.
Regards,
Jay Cee