abc pdf
To delete a guide, click the guide to select it and press the Delete key
In the Output Options dialog box, specify your folder and filename preferences and click OKUpdate the headers and footers Updating applies to the most recently added header and footer set
Open the PDF file containing header and footerChoose Tools > Edit PDFIn the secondary toolbar, choose Header & Footer > Update
Change the settings as neededAdd another header and footer Open the PDF file containing header and footer
Choose Tools > Edit PDF
In the secondary toolbar, choose Header & Footer > Add, and then click Add New in the message that appearsChange the default magnification In the Preferences dialog box under Categories, select Page Display
Open the Zoom pop-up menu and choose a default magnification levelDisplay off-screen areas of a magnified page When you zoom in to a high magnification, you may be able to see only part of a page
You can shift the view to show other areas of the page without changing the magnification levelDo either of the following: Use the vertical scroll bars to move up and down the pages or the horizontal scroll bars to move across the page
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Source:online pdf editor