To Change Wrapping Mode
on the Toolbar to not wrap lines at all,
to wrap by
the specified number of characters,
wrap by the size of the window, or
to wrap by the size of the page.
- To change the character counts when wrapping by characters,
(if you want to change only the current configuration) or
(if you want to change all configurations) to
show the General tab and change the Normal Line Margin and
Quoted Line Margin.