1. I have been able to open password protected pdf files until today...it 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
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".
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.
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).
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.
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.
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.
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.
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.
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.
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.
For those who work with PDFs very often, restrictions from password protected PDF files sometimes badly drag down their productivity. Actually, there are several ways to remove password protection from pdf and make users gain full access to edit, print, copy or other actions on the secure PDF.
No matter you PDF is user password or owner password protected, you are here with the best PDF Password Remover to unsecure your PDFs on Mac.
Today, we all prefer to save information in PDF format, so it is quite common that we need to print out PDF files on a regular basis. However, we often run into problems of being unable to print PDF on Mac. Here we will disclose the reasons behind why you can’t print a PDF File on Mac.
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