How to Password Protect PDF Mac From Unauthorized Access?

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Published on
December 6th, 2021

5 minutes Read

Encrypting a PDF file is the necessity of every user nowadays. Are you also the one who wants to encrypt their PDF document? If yes, then you are at the appropriate post. Here we will provide the best possible solutions to password protect PDF Mac using the manual and the MacSonik PDF Encryption Tool.

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The portable document file format created by Adobe is used for official documents that include images, text formats, hyperlinks, embedded fonts, and many more. These encrypted PDFs help to prevent unauthorized access by the unwanted user.

Although these PDF files are also protected to prevent any type of alterations in the documents. Hence, users are looking for the best possible ways to secure their PDFs from unwanted users. So, begin moving further, firstly moving towards the need of encrypting a PDF file.

What are the Needs to Password Protect PDF Mac?

There are several instances due to which users want to add password to PDF Mac. A few of them are listed below. Read each below-listed point carefully.

  • Encrypting PDF files helps the users to control viewing the PDF data by unapproved persons.
  • No one can share the PDF files if it is password protected.
  • Users can protect their intellectual property by encrypting their PDFs.
  • It prevents the saving of a PDF file.
  • PDF document protects its data from any unauthorized user access if it is password protected.

Here you are aware of all the reasons to password protect PDF Mac. Now, to fulfill these you need to know how to lock PDF on Mac. In the below part, we have explained the step-by-step process to encrypt the PDF file.

How to Encrypt a PDF on Mac OS?

  • Launch the Previewapplication in the Mac Launchpad.
  • Move to the File tab and select the Open button.
 Password Protect PDF Mac
  • After that, select the PDF file you want to encrypt and press theOpen button.
  • Now, tick the Encrypt option and Enter and Verify your credentials.
Encrypt Mac PDF file
  • Finally, tap on the Save buttonto complete the encryption process.
PDF Encryption for Mac

The above method helps the users to encrypt their PDF with the help of a preview application of macOS. Now, when an unauthorized person tries to open the PDF file, firstly, they have to enter the password. Also, you can find another alternative solution to add password to PDF Mac.

Encrypt a PDF on Mac Using Print Option

Here in this method, users can add encryption to their PDF file using the print option. So, to add encryption to the PDF files performs the steps that are listed below: 

  • In the Preview application on your macOS, Open the PDF file.
  • Navigate the File menu and tap on the Print option.
MacSonik PDF Encryption for  Mac
  • Choose the Save as PDF option from the PDF menu next to PDF.
Save as PDF
  • Now, double-tap on the Security options to add encryption to the PDF on macOS.
PDF Encryption for Mac
  • Then, mark the Require password to open a PDF option to enter and verify your password, and then tap on the Ok button to print your password-protected PDF file.
MacSonik PDF Encryption

Using the above methods, users can encrypt their PDFs with the help of the print option. These methods help the users to add security to their PDF files. Although, the manual solution needs a high-tech expert and a quite lengthy process. In this case, users are looking for an instant and effective way to secure their PDF files.

In the below section, we have introduced the professional solution for the same.

How to Password Protect PDF Mac Professionally?

To add password to PDF Mac, users can download the MacSonik PDF Encryption Tool, which helps to encrypt their PDF. The tool secures your valuable PDF file by enabling password encryption on them. It offers multiple advanced features to secure PDFs from unaccredited access. Also, the software is an ideal solution for Mac users as it supports all the versions of macOS. The blueprint of this software is simple and interactive. Users do not need any technical expertise to use this software.

Steps to Add Encryption to the PDF File

  • Download and Launch the MacSonik PDF Encryption Tool.
  • Click on the Select Files button to add the PDF file.
  • Now, choose the PDF File and press the Open button.
  • Assign the path to save the output file by clicking on the Destination Path button. 
  • Then, tick the Add Password option to enter the Password.
  • After that, You can edit the features by clicking on the Edit Features button. Press Ok
  • At last, press the Encrypt button to start the encryption process.


In brief, we have described the detailed process to password protect PDF Mac manually. In addition, we have mentioned the best and secure professional method to encrypt PDF file on Mac. Furthermore, Users can download and examine the software working by installing the free demo version of the PDF encryption software.

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