Easy way to change font size in MS Word using keyboard?

You can change font size in Microsoft Word using keyboard by:

1- Select the word or paragraph you want to change it's size
2- to increase size click "ctrl + ]" and hold ctrl with repeated click on ] will increase font by 1 pt and so on.
   to decrease size click "ctrl + [" and hold ctrl with repeated click on [ will decrease font by 1 pt and so on.