In this tutorial, learn how to protect PDF by deleting sensitive information or removing hidden information from a PDF. The redaction and sanitization tools in Acrobat XI enable you to quickly and permanently delete or redact sensitive information from your PDF files, including remove hidden data.
Lisa Croft September 7, 2012
Acrobat XI Pro lets you quickly remove hidden information from a PDF so that you can distribute your file knowing that that your confidential data doesn't get revealed to others. This is done using redaction tools. Within Acrobat, I'll just select tools, then protection, then mark for redaction. And I'll walk through the document selecting the text or image information that I want to remove. I can also select search and remove text to automatically find and redact words, such as repeating text or patterns, like email addresses. I'll click search and remove, select the information that I want to remove and mark those for redaction as well. When I'm finished, I'll click apply redactions and my visible content is permanently removed. But what about that information that's not easily visible, like document properties, attachments or stored form data? Acrobat XI Pro will prompt me to remove that hidden information. Acrobat will scan through the document and allow me to review what's been identified. When you're ready, select remove and you're done. The visible and invisible sensitive information has been permanently deleted. With Acrobat XI Pro, you can easily redact and sanitize files so you can distribute them with confidence.
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