The Zoom group on the View tab appears similar to the following:

It consists of the following options:

• 100%: Zooms the document to 100% of the normal size.
• Fit Window: Zooms pages to fit within the window.
• Fill Width: Zooms pages to fill the window width. 
• Zoom Arrow: Opens the Zoom dialog box as follows:

Here you can specify the zoom percentage, page rows and page columns whether or not the report or document is in pages facing view mode, whether or not the report or document is in pages facing continuous view mode. You can also specify the report's or document's view mode as facing pages, continuous or both. In the Auto Zoom groupbox you can specify zoom of the document or report to 100%, fit window, fit width, or fit text width.