How To, Mac

How to Lock/Unlock PDF Files on MAC

PDF files

Protecting you PDF files with a password ensures the security of your documents. Password protecting you PDF files enables users to give file access only to specific users. This can come in handy when you want to share login credentials or secret business plans with your business partner.

In this tutorial, we will show you how to add and remove password from you PDF files on MAC.

How to Password Protect your PDF Files

Follow the steps below to protect your files with a password on MAC.

  1. Find the PDF document that you want to password protect.
  2. Now open the document in the Preview app. To do this, right-click on File (Control-click on Mac) and choose Open With > Preview.
  3. After the document opens in the Preview app, select file > export from the menu bar.
  4. Once the export sheet opens look for encrypt checkbox. Tick this check box.
  5. Now type the password you want to lock the document with.
  6. Now click on “save”.

Although protecting secret documents with a password is a good idea, you may have to share a file with the public after some time. For example, blueprints of a project are shared with only a limited number of people in the start but once they are finalized, they are shared with everyone. Knowing how to remove a password from PDF documents can come in handy.

How to remove a password from PDF files

Follow the step below to remove password from you PDF files on MAC.

  1. Go the PDF document you want to remove password from. Preview this file in “Preview app”.
  2. Preview will request a password, enter your password here.
  3. Now, on the menu bar select File > export.
  4. Rename the File.
  5. Uncheck the encrypt checkbox.
  6. Now, click on the Save button to save your changes.

This new file is an exact copy of the previous PDF file. People you share the file with can now access it without any password.

Did this tutorial help you in keeping your PDF files secure? Let us know what you think about this tutorial in the comment section below.

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