We Couldn't Install Office 2019: This error code may occur due to insufficient updates on your computer. If you feel all the updates are up to date, follow the below steps to fix the issue. The basic troubleshooting to repair error we couldn't install office is to repair the office program if it fails we need to uninstall and re-install the program. The necessary steps may be helpful in understanding how to install Office and Uninstall/repair Office programs.

Hence it is not required to keep the product key for future use. It will be added to your Microsoft Account. Follow the below steps to complete the installation Now you are good to use the new Office 2013 or Office 365. Still, need help.