Crop or resize pages
The Crop tool enables you to select part of a page to retain while removing the portions outside of your selection, which can be helpful in eliminating unnecessary information from your document, or in resizing your pages. You can crop pages visually with the Crop tool and then further refine your cropped area using the Crop Pages dialog.
To crop pages with the Crop tool:
1. On the Edit tab, in the Pages group, click Crop
2. Click and drag within the page to select the crop area
3. Double-click inside the crop area
4. In the Crop Pages dialog, adjust the crop margins and specify additional pages to crop, if desired
5. Click Crop