Quick Tip: How do I password protect a document
Show: Acrobat X Tips & Tricks
Learn how to password protect PDF documents created with Acrobat X Std. or Pro. to make your PDF documents more secure.
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Protect PDF Files with Passwords and Permissions
Acrobat XI helps you protect sensitive information in PDFs by applying passwords and file permissions to control how people can use your files.
Protecting your PDF using a Password
Show: Learn Acrobat 9
Learn how to protect PDF files with a password. You can protect the PDF such that a password is required to open a file or you can simply restrict the permissions on the document.