Note: This feature is used for changing the alignment of specific lines of the script. If you'd like to change the alignment for the entire script, or each element individually, see the below article:
How can I change a script's formatting?
To change the alignment of a paragraph go to Format > Alignment:
You can choose the following alignment options from the submenu: Left, Centered, Right or Justified.
This command applies to the entire paragraph in which the cursor resides. If more than one paragraph is selected, the formatting change will affect all of them.
You can also use the Alignment buttons on the customizable Tool bar:
For more information about on the customizable Toolbar watch the following video: