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PDF User Password


Definition: A PDF user password is the password used to restrict the opening of a PDF file. In Adobe Acrobat, the PDF user password is called the document open password.

PDF user passwords are are not easily hacked but there are a few PDF password recovery tools that can do it via brute-force attack, given enough time.

A PDF user password only restricts the opening of a PDF file. PDF owner passwords are used to provide document restrictions in PDF files.

Also Known As: PDF open password, PDF document open password
"The secret project I was working on was for my eyes only so I set a 24-character user password on the PDF file. No one is getting in there!"
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