Preview

2.2.1. To Reveal the Preview

Do one of the following:
– With your mouse cursor over the right side of the editor, use a swipe to the left gesture (two-finger swipe on trackpads)
– Click the right-most button in the upper-right of the title bar
– From the Menu, select View → Show Preview
– Use the keyboard shortcut ⌘R

2.2.2. To Conceal the Preview

Do one of the following:
– With your mouse cursor over the right side of the editor, use a swipe to the right gesture (two-finger swipe on trackpads)
– Click the right-most button in the top-right of the title bar
– From the Menu, select View → Hide Preview
– Use the keyboard shortcut ⌘R

2.2.3. Resize the Preview

Drag the separator between the Editor and Preview panes to resize both views. At its minimum width, the Preview gives you an excellent overview of your document’s structure. At full width, you can hide the Editor completely for an ideal reading environment. Double-click the separator between the Editor and Preview panes to set it at half width.
You can also resize the Preview via the menu:
View → Change Width To → Thumbnail | Half | Full

2.2.4. Change the Current Typography

Click the menu in the Toolbar at the bottom-left of the Preview, and select one of the available typographical templates. This will change both the font and layout of the document in the Preview. You can also change this in the menu using View → Template.

2.2.5. Export from the Preview

Click the Export button in the Toolbar at the bottom-right of the Preview to open the export dialog. Here you can choose the manner of export. In the case of PDF, the currently selected typography will be used.
Copying from the Preview pane lets you paste formatted text into other apps, such as email.