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The Easiest Way to Open Password Protected PDF in Adobe on Mac

The Easiest Way to Open Protected PDF on Mac bigQuestions:

1. I have been able to open password protected pdf files until is from a safe sender, but I now get a black screen saying "sorry, we are unable to display password protected documents". ---Pat from Yahoo Answers.


2. I need to open PDF documents & have forgotten my PDF password. Apparently it's not the same as my Apple ID password. I would very much appreciate some help as my laptop is in for repairs. ---Brendan from Apple Support Communities


the easiest way to open password protected PDF on mac user password

If you are one among these people confused about similar questions, what you should do is to remove the pdf password. But before direct you to the ultimate solution, it will be necessary to reveal you a little background information about "open protected PDF".

Background Knowledge about "Open protected PDF”

Adding PDF password is the most popular way to protect PDF file, and there are 2 PDF passwords encrypting your files:

User password: also known as user password, it protects your PDF file from opening(viewing).

Owner password: also known as permission password, it protects your PDF from setting or changing the restricted features like editing, printing, copying, signing, extracting……

And in this article, we are going to put a special spotlight on User password which works critically to open protected PDF. 

Tool Needed to Open Password Protected PDF on Mac

Assuming you have a Adobe in hand, also know the open (user) password, then the easiest way to open password protected PDF, of course, would be "Entering the correct PDF password in the pop-up box”with Adobe itself.

Also, once you open the password protected PDF, you are recommended to remove the password protection for further free manipulation on the PDF.
In Adobe Acrobat Pro, open PDF with correct user password>Tools>Protection>Encrypt>Remove Security(Input the permission password if there was one).

the easiest way to open password protected PDF on mac, remove security

If Unfortunately, You Lost the User Password, Adobe won’t help without correct user password. PDF Unlockers will be needed to relieve you from this embarrassment.

You can refer to these reviews to choose your best PDF Password Cracker:
Best PDF password remover for Mac / Windows: Software, Tools
PDF Unlocker for Mac OS X:Best Alternatives
Top 5 PDF Unlocker Tools for Mac
Top 5 PDF Password Crackers Online Review for Mac
6 Free PDF Password Remover Tools

But before you have made the choice, I would like recommend you to try Cisdem PDFPasswordRemover , for its capability of removing password protection directly and crack PDF with unknown password, also for its high compatibility with Adobe.

If you are taking a pinch of salt about my recommendation on Cisdem PDFPasswordRemover, download its trial version to verify if it drives my point home.

The Easiest Way to Open Protected PDF in Adobe on Mac

As I mentioned above, Cisdem PDFPasswordRemover is not only designed to helps users directly remove the password and restrictions from PDF, but also enables users to crack PDF password even when they forgot the user password to open it. No matter your file is added with an owner password or user password, Cisdem PDF password Remover will open, even enable you to edit the password protected PDF easily.

Step 1. Download and Launch Cisdem PDFPasswordRemover on your mac. 

download icon

Step 2. Import password protected PDF files

Drag&Drop PDF files or directly add files as it instructs into the main interface. You will realize there is a lock icon appearing on the right side with the PDF, it indicates your PDF is user password protected from opening (the reason why you cannot open protected PDF). Click the lock icon, either enter the user password if you know or directly decrypt the password if you forgot it.

the easiest way to open password protected pdf on mac enter user password

Useful Tip 1:
Go to the settings as follows. You can check or fill in the above options like, password length, additional characters, etc. By doing so, you will save a lot of decryption time.

the easiest way to open password protected pdf on mac setting 01

Useful Tip 2:
If you are occupied with some other business and want to pause the decryption process by exiting from the App, DON'T forget to save the progress for next time, it works more efficiently this way.

the easiest way to open password protected pdf on mac status

Step 3. Once your PDF is decrypted, the lock icon will disapper, then click “Remove” and you will get an equivalent PDF without any password protection. You can freely open the file next time.

the easiest way to open password protected pdf on mac remove security

Want to Remove (Permission) Restrictions in Batch and Easily?

Want to remove all the securities from password protected PDF, so that you can freely manipulate the PDF(Editing, Copying, Printing, Adding context...)at any time, any situation? Cisdem PDFPasswordRemover can also directly remove all these restrictions for you.

 step 1. Launch the Cisdem PDFPasswordRemover on your mac.
 step 2. Import password protected PDFs. If there is a user password, enter the correct password or decrypt it if you forgot the password. 

input the user password to open protected pdf

 step 3. Click "Remove” to remove all the restrictions. The password protection will be batch removed from the PDF. Find the unlocked PDFs in the output folder, you can freely manage these files now.

Related Questions:

  1. How to Print a Secured PDF on Mac?
  2. How to Edit Protected PDF on Mac with the Least Amount of Steps?
  3. How to Convert Secured PDF to Word on Mac?

2016-08-30 09:58:56 / Posted by to PDF Password Remover Mac Follow @ Peter

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1 Responses

  • bentley

    I knew there was a password protecting the file to be opened! I found there was quite few tools to crack the PDF but i am glad i finally found it and it re-opened the file for me.

    11 months ago REPLY

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