Monday, February 20, 2012

How to unlock PDF if i KNOW the password


  • I don't want to write the password every time I open the file. How to unlock PDF if i KNOW the password?


You can remove security from an open PDF if you have the permissions to do so. If the PDF is secured with a server-based security policy, only the policy author or a server administrator can change it.

1. In the open PDF, do one of the following: (Adobe Acrobat X Standard)
  • Select Tools > Protection > Encrypt > Remove. If you don’t see the Protection panel, see the instructions for adding panels at Task panes.
  • In the Security tab of the Document Properties dialog box, choose No Security from the Security Method menu.

2. Your options vary depending on the type of password security attached to the document:
  • If the document only had Document Open password, click OK to remove it from the document.
  • If the document had a permissions password, type it in the Enter Password box, and then click OK. Click OK again to confirm the action.

More detailed steps on

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