What should I do if the office cannot be used after upgrading Windows 10?

Now more and more users are upgrading to Windows 10 system, but there will always be various problems after the upgrade. For example, after a user upgraded to Windows 10 system recently, I found that the office could not be used. What should I do? ? You don't have to worry, the following small series teaches you to use the command prompt to solve this problem.

To do the following:

1, first in the Search bar command prompt and run as administrator;

2, then in command prompt enter the following code:

icacls "% programfiles% Microsoft Office 15 " /grant * S-1-15-2-1: (OI) (CI) RX

The above is the solution that the office can't use after upgrading Windows10. If this method still can't solve your problem, then you can only re-download the office image and fix it.