Quick Guide for Mac

A Quick Guide is dedicated to helping you quickly find the answers you need.

How to Encrypt PDF

1. Click Security   on the toolbar and fill in Password Security Settings. There you can set a required password to open the document or restrict printing and copying of the document;

2. You can also add a document description such as Title, Author, Subject or Keywords;

3. Or click main menu Tools -> Editor -> Security;

4. Then Encrypt the PDF file.

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