How to Lock PDF Files. Download a PDF writing program, such as Adobe Acrobat Pro. Acrobat Pro and other PDF writing applications can be costly, but there are free versions available. If you decide to use a less expensive program or shareware application, make certain that it has the capacity to lock or password protect PDF files. Open the PDF file that you want to lock. Use the “Open” option under the “File” menu. Protect your PDF file with permissions using. Protect your PDF file and restrict others from editing your PDFwith permissions with Acrobat XI. Create a form with check boxes, text boxes, date pickers, or drop-down lists that others can fill out in Word. Adobe Acrobat 9 Professional PDF Forms: Working with Text Fields. Text fields allow users to input variable information on PDF files, for example, information that is not constant or that cannot be predetermined with radio.Acrobat XI Pro Accessible Forms and Interactive Documents Create interactive forms that can be used by anyone, ensuring. Contents 2 Types of interactive PDF Form Fields 2 Automatic Field. Locking a PDF using Adobe Pro After creating a PDF file, you have the ability to lock a PDF from printing by the students. Filling of form fields: Signing. I created a form in Word and converted it to a PDF in Adobe Acrobat X. I have a couple of form fields and a spot for a signature. I would like the ability to lock this form so it can't be changed. Select the location of the PDF file using the “Look In” menu, click once on the file name a once on the “Open” button. Click once on the Advance drop- down menu and select the “Security” option. Choose “Password Encrypt” from the list of available features. This will generate a pop- up window asking if you want to change the security settings of the document. Click once on the “OK” button. This will open a separate “Password Security Settings” window. Click once in the “Require a password” check box. Type a password in the “Document Open Password” field. Write the password down and store it in a secure location because lost PDF passwords may not be recovered. Use the features in the “Permissions” section of the “Settings” window to further lock down the PDF. In addition to locking the document with a password, you can restrict the manipulation of the document with an additional password. When you have finished making your selections, click the “OK” button. Save the locked PDF file as a separate file. You can then access the source PDF in case you misplace the password. Choose the “Save As” option under the File menu. Choose a folder from the “Save In” menu in which to save the password protected PDF. Type in a new file name and click once on the “Save” button.
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December 2016
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