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Full-Screen Navigation Escape Key Exits: Lets you exit Full-Screen mode by pressing the Esc key

The Organize Pages toolset is displayed in the secondary toolbar, and the page thumbnails are displayed in the Document areaSelect a page thumbnail you want to delete and click the icon to delete the page

Alternatively, click the Page Thumbnails button in the left navigation pane to open the Page Thumbnail panel, then select the page or group of pages you want to deleteClick Delete Pages at the top of the Page Thumbnails panelHow to replace the contents of a page in a PDF Steps: Open the PDF that contains the pages you want to replace

Choose Tools > Organize Pages or choose Organize Pages from the right paneThe Organize Pages toolset is displayed in the secondary toolbar

In the secondary toolbar, click Replace

The Select Files With New Pages dialog box appearsChoose OK on the Document Properties window to return to the PDF

Save the PDF to write the open password to itYou can do that via File > Save or File > Save As

Password Protect a PDF With Microsoft Word It might not be your first guess that Microsoft Word can password protect a PDF, but it's most certainly capable of doing so! Just open the PDF in Word and then go into its properties to encrypt it with a passwordUse the File > Open menu to browse for and open the PDF