Speed text changes with the following keyboard shortcuts after you highlight the text.
Increase font size: Control, Shift, >.
Decrease font size: Control, Shift, <.
Note: Both commands above change the font size by one increment along the scale in the drop-down menu. To change the font only one point size, hit Control, ] to increase it and Control, [ to decrease it.
Change case: Shift, F3 changes the selected text to lowercase, sentence case or uppercase. To change only to uppercase, hit Control, Shift, A.
Underline words, but not spaces: Control, Shift, W.
Double-underline text (including spaces): Control, Shift, D.
Indent a paragraph from the left (half an inch each time): Control, M.
Create a hanging indent: Control, T.
Return to your last revision place: Shift, F5.
Repeat an action: Control, Y.