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Remove Hidden Data in Acrobat XI – Tutorial

by / Thursday, 03 November 2016 / Published in Acrobat, Latest

Remove Hidden Data in Acrobat XI: Overview

            You can remove hidden data in Acrobat XI Pro. To remove hidden data in Acrobat XI, first open a PDF. Then expand the Protection panel in the Tools pane. Select the “Remove Hidden Information” tool to open the “Remove Hidden Information” panel within the Navigation pane. Acrobat then automatically searches the document for hidden information. A status bar appears and displays the word “Done” when the search operation is complete. Hidden data is displayed in the “Results” section at the bottom of the panel.

            To permanently remove the hidden data shown in the “Results” panel, click the “Remove” button. An informational dialog box opens and shows information about removing hidden data. Click the “OK” button when finished reading this information. The status bar again shows Acrobat’s progress and displays the word “Done” when the operation is complete. You must save the PDF document before the information is permanently removed.

Remove Hidden Data in Acrobat XI - Tutorial: A picture of the hidden data shown in the “Results” panel in Acrobat XI Pro.

Remove Hidden Data in Acrobat XI – Tutorial: A picture of the hidden data shown in the “Results” panel in Acrobat XI Pro.

            The “Sanitize Document” tool is similar, but removes all sensitive data from a document, hidden or not. This includes markups, comments, links, actions, overlapping objects, and hidden information. It also includes other data, such as form fields.

            To sanitize a PDF, open the PDF to sanitize. Then click the “Sanitize Document” tool within the Protection panel in the Tools panel of the Task Pane. Doing this then opens a message box that lists the types of information and data this tool will remove. After reading this list, click the “OK” button.

            In the “Save Sanitized Document” dialog box that appears, save the sanitized copy of the PDF. You can add the word “sanitized” to the end of the file name shown in the “File name” field. This indicates that it is the sanitized version of the PDF. After selecting a save location and entering a file name, click the “Save” button within the dialog box. Doing this saves the PDF and automatically finishes the sanitization process.

Remove Hidden Data in Acrobat XI: Instructions

  1. To remove hidden data in Acrobat XI, first open a PDF.
  2. Then expand the Protection panel in the Tools pane.
  3. Select the “Remove Hidden Information” tool to open the “Remove Hidden Information” panel within the Navigation pane.
  4. Acrobat then automatically searches the document for hidden information.
  5. A status bar appears and displays the word “Done” when the search operation is complete.
  6. Hidden data is displayed in the “Results” section at the bottom of the panel.
  7. To permanently remove the hidden data displayed in the “Results” panel, click the “Remove” button.
  8. An informational dialog box launches and displays information regarding the removal of hidden data.
  9. Click the “OK” button when finished reading this information.
  10. The status bar again shows Acrobat’s progress and displays the word “Done” when the operation is complete.
  11. You must save the document before the information is permanently removed.
  12. To sanitize a PDF, open the PDF to sanitize.
  13. Then click the “Sanitize Document” tool within the Protection panel in the Tools panel of the Task Pane.
  14. Read the information in the message box that appears and then click the “OK” button.
  15. In the “Save Sanitized Document” dialog box that opens, save the sanitized copy of the PDF.
  16. You can add the word “sanitized” to the end of the file name shown in the “File name” field. This indicates that it is the sanitized version of the PDF.
  17. After selecting a save location and entering a file name, click the “Save” button within the dialog box.

Remove Hidden Data in Acrobat XI: Video Lesson

            The following video lesson, titled “Revealing and Clearing Hidden Information,” shows how to remove hidden data in Acrobat XI Pro. This video lesson is from our complete Acrobat training, titled “Mastering Acrobat Made Easy v.XI Pro.”

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