December 2010
Beginner to intermediate
288 pages
7h 56m
English
Content preview from Adobe Acrobat X for Windows and Macintosh: Visual QuickStart Guide
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15. Protecting Your Document
An increasing proportion of the world’s documents are distributed as PDF files, many of which are to a greater or lesser extent confidential. Banks don’t want their customers’ financial statements read by just anyone; software companies need to keep new product specifications from the eyes of their competitors; and most of us don’t want our love letters broadcast for the world to read.
Acrobat offers three levels of security to control access to a PDF file:
• Password security. A password is required to open the PDF file.
• Password restriction. A password is required to print, modify, or otherwise work with the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.