Zooming into areas of your document is an essential part of the design process. Several zooming options are possible.
You can use the Navigator panel to save the document view's current zoom level and position. Multiple view points can be saved, and you can instantly navigate between them.
To zoom in or out of a document:
Do one of the following:
Click the Zoom Tool (shortcut Z) and then:
Drag on the page—right to zoom in or left to zoom out.*
Click on the page to zoom in a step.
-click on the page to zoom out a step.
-drag on the page to zoom into an area defined by a marquee.
Select a zoom level from the context toolbar.
Click the View Tool (shortcut H) and select a zoom level from the context toolbar.
Select the View menu and then Zoom options.
Use and your mouse scroll wheel (if available).
Use and your mouse scroll wheel (if available).
Zoom in or out using the options in the Navigator panel.