Chapter 6. Adding Security to 3D PDF Files
In this lesson, you’ll do the following:
Apply password protection to a file.
Email a file using a security envelope.
Certify a document.
This lesson will take about 30 minutes to complete.
If needed, copy the Lesson06 folder onto your hard drive.
Some Windows users may need to unlock the lesson files before using them. For information, see “Copying Classroom in a Book ...