create and edit documents - Check spelling and review changes in a document

 Insert a comment (in the Revision task pane) (Alt + R;C)

Turn change tracking on or off (Ctrl + Shift + E)

Close the Reviewing  Pane if it is open (Alt + Shift + C)

Select Review tab on ribbon (Alt + R, Then Down arrow to move to commands on this tab)

Select Spelling  and Grammar (Alt + R, S)