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How to open password protected PDF files?

For security reasons,i have created some password protected PDF files long before,but now i try to open these files only to find i have lost the password,i can't open it.Is it any way to open password protected PDF files?

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PDF Password Remover for Mac can remove the owner password of PDF directly.

Posted on Dec 07, 2013

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Before open the password-protected pdf files, you have to remove the pdf password. Here is tutorial on how to remove pdf password on windows: http://www.pdfpasswordremover-mac.com/pdf-password-remover.html

Posted on Nov 13, 2012

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You can remove the restriction with Advanced PDF Password Remover 5.0 or PDF Password Recovery 5.0.It can help you remover password intantly.
http://www.advancedpdfconverter.com/products/pdfpasswordremover.html

http://www.recoverlostpassword.com/products/pdfpasswordrecovery.html

Posted on Jun 01, 2010

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I have the same experience of losing PDF password. One of my friend suggest me that PDF password unlock is a nice software which can help you reset PDF password. You can know the detail from the internet as long as you seach PDF password unlock.

Posted on Jul 12, 2010

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It's not possible without using a third party software/freeware (pdf unlocker). you can find it from the net, but if you insist me to help you, do let me know. Good luck. Thanks for using FixYa.

Posted on May 31, 2010

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Hi download easy pdf password remover free 5.0 from www.cnet.com there after install and follow step by step instructions

Posted on May 31, 2010

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Well if you follow the article in the below mentioned site you can open password protected pdf file

http://labnol.blogspot.com/2007/01/how-to-open-password-protected-pdf.html

good luck :-)

Posted on May 31, 2010

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Posted on Jan 02, 2017

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How do i download Adobe Acrobat x Standard for Free?


Acrobat reader is free. Acrobat pro is not free.
There are other free programs to create PDF's. Really, Adobe is offering the readers for all systems for free. Be aware sometimes PDF files are password protected. You even can't read them with acrobat reader, if you don't have the password. Just visit the Adobe website to download a free version for your system.
Now you can get the 11 version here:
Adobe Adobe Reader free PDF viewer download

Nov 22, 2014 | Cosmi Perfect PDF Creator Full Version for...

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How to Create Password Protected RAR Archives with Two Options?


<span><b>WinRAR</b><span> </span>is a helpful tool allows you to create and handle archive files. It is completely supports rar and zip and makes smaller archives than the competition, saving disk space and transmission costs.<br />Today, we will metion how to create a password for RAR archives and the way to<span> </span><a href="http://www.passwordunlocker.com/knowledge/remove-rar-password.html">remove Winrar password</a><span> </span>when forgot. Create Password Protection for RAR ArchivesIn our daily work, creating password protected RAR archives to against WinRAR files from others viewing is in great request. Usually, there are two proven techniques to<span> </span><b>create password protected RAR archives</b>.<br /><b>Option one:</b><span> </span>You can open the password-protected RAR archive and view the individual files name, but you need to know the password to extract the all files.<br /><b>Option two:</b><span> </span>You can't open the password-protected RAR archive and can't even view the individual files name without the password.<br />Below we will show you how to create these two types of password-protected rar archives.<br /><b>Step 1:</b><span> </span>Open Winrar and click on<b><span> </span>Wizard</b>.<br /><b>Step 2:</b><span> </span>On the Wizard Choose ths opration window, select<span> </span><b>Create a new archive</b><span> </span>and then click<span> </span><b>Next</b>.<br /><b>Step 3:</b><span> </span>There will pop-up a window, just select the files to be added to the archive and click<span> </span><b>OK</b>.<br /><b>Step 4:</b><span> </span>Here please input an archive name to create and clike<span> </span><b>Next</b><span> </span>button.<br /><b>Step 5:</b><span> </span>Now you can click<span> </span><b>Set Password</b><span> </span>button.<br /><b>Step 6: Create Password Protected RAR Archives with Two Options</b><br /><b>For Option one:<span> </span></b>Creating Password Protected RAR Archives has two ways, please follow the steps below.<br /><b>1.</b><span> </span>The set password will be in asterisks, so you cannot see it, hence you will need enter the password that you want to set twice for confirmation. Then press<span> </span><b>OK</b>. After that you will return to the<span> </span><b>Wizard Archive option</b><span> </span>window and just click Click<span> </span><b>Finish</b>. Your password protected rar archive will be created in your Desktop.<br /><b>2.</b><span> </span>The set password can be seen. For this please click<span> </span><b>Show password</b><span> </span>and enter the password you want to set only once. Then press<span> </span><b>OK</b>. After that you will return to the<span> </span><b>Wizard Archive option</b><span> </span>window and just click<span> </span><b>Finish</b>. Your password protected rar archive will be created in your Desktop.<br /><b>For Option two</b>: Creating Password Protected RAR Archives by click<span> </span><b>Encrypt file names</b><span> </span>after you input the password twice.<br /><b>Step 7: Open the Password Protected RAR Archives with Two Options</b><br /><b>For Option one:<span> </span></b>The Password Protected RAR Archives can be openned. It will show an asterisk just beside the files indicating that it will need the password to extract the files.<br /><b>For Option two:<span> </span></b>The Password Protected RAR Archives cann't be openned. It will need the password even to open the archive.<br />Well, though password protection is a good way for prventing data or privacy let-out, we often met with the trouble that we can not access the file without correct password. At that time, it is better for you to have a<span> </span><a href="http://www.passwordunlocker.com/rar-password-recovery.html">Winrar password remover</a><span> </span>in hand.<span> </span><b>RAR Password Unlocker</b><span> </span>is taken as the powerful and credible tool to do<span> </span><a href="http://www.passwordunlocker.com/knowledge/recover-rar-archiver-password.html">RAR password recovery</a><span> </span>with ease.<br /></span>

on Apr 01, 2011 | Computers & Internet

Tip

How to remove PDF Password Securty ?


PDF is really a good thing for reading and sharing as it has great reliability.Almost any one on any computer system can view PDF with PDF Reader.

However,due to the copy-right or data protected,when creating PDF,we may put password to prevent from editing,copying and so on. But sometimes,there may be reasons to unlock or crack PDF password.We do have the legal right to use the password protected PDF document,but have unfortunately forgotten the password.


What is PDF password?

Generally speaking, there are two kinds of password provided by Acrobat PDF standard security. "user password " and "owner password ".

"User password" is also called "open password ", it is the password defined by the people who create the PDF file, and it is used for protecting the PDF files from opening by others. Only people who enter the password can open the protected PDF files.

"Owner password " is the password that set to protect the PDF files from changing by others. With an "owner password", the owner can protect the PDF files from printing, editing or selecting text and graphics.

How to remove PDF securty?

There can be lots of situations where you would want to use a password protected file! So how can you unlock secured PDF files ? In this article I will show you how to unlock secured PDF files to edit,copy or print.

You need a PDF password remover. Or Adobe Acrobat is the best if you want to pay lost of money and lost of time.I strongly recomment this alternative: Advanced PDF Password Remover.



You need to downlod the program launch PDF password remover and then add file to begin.When finished it will show you the files securty password has been removed,then you can edit or copy,print etc.

The process just need a few seconds.If you want to know more details, please visit the official website.

on Nov 29, 2010 | Computers & Internet

3 Answers

I am unable to print pdf documents on my Image Class d880 printer. I used to be able to...but am not able to anymore. Any reason why this is happening?


Maybe your pdf is protected by print password, in this case, you have to use the pdf password remover to remove the print permission.Here is tutorial on how to remove it on windows:
http://www.pdfpasswordremover-mac.com/pdf-password-remover.html





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Jul 12, 2010 | Canon imageCLASS D880 All-In-One Laser...

1 Answer

Getting a message about and error on page.


Dear Wendy,

This can happen because of multiple reason:

a) It isn't your fault. The file publisher has not correctly made pdf or its corrupt and won't work on your system because all pdf files can be opened in almost all versions.

b)You might like to check your adobe 8.1 settings for complete installation. Have you correctly installed the program. Also check if you are able to other pdf files on your system or not.

c) you can also try an older version of acrobat, which i doubt should affect the problem.

Finally check the file extensions and password protection problems.

If that was helpful please press solved.

Nov 14, 2007 | Adobe Acrobat 6.0 Professional for PC

Tip

How to remove password from PDF?


Sometimes we may come across some PDF materials which were download from the internet or sent by others. They are easy to read by free Adobe Reader yet some of them were password protected from opening, copying and printing. It is really tough if you urgently need to copy or print some PDF files. So is there any method to remove PDF password? The answer is yes. But first we need to know some definition about PDF password.

Generally speaking, there are two types of password provided by Acrobat PDF standard security. They are "user password" and "owner password". "User password" is also called open password, it is the password defined by the people who create the PDF file which is used for protecting the PDF files from opening by others. Only people who enter the password can open the protected PDF files. "Owner password" is the password that set to protect the PDF files from changing by others. With an "owner password", the owner can protect the PDF files from printing, editing or selecting text and graphics.

So it turns to know how to remove password from PDF. Here is a small and easy-to-use PDF password remover which can help us do this work. Of course first you need to download this PDF password remover and install it on your PC. Then we can get start.

Step 1 Launch PDF Password Remover Double click the start icon to launch PDF password Remover.

Step2 Import PDF files
Click Add and browse the local PDF files need to be decrypted. It allows you to import 200 files at one time. After the files are imported, the file information will be shown in the panel.

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Here you need to note that this PDF Password Remover can remove "owner password" directly. While for the PDF files with "owner password", you cannot remove the password unless you know the password. The "owner password" protected PDF files is shown in the pane with a lock beside. If you need to remove the "owner password", just click on the lock beside the file in the pane and key in the correct password in the pop-out small window box and click OK to confirm the password.

b2b1784.jpg

Step 3 Decrypt PDF filesClick the Start button, and soon you can get the decrypted PDF files.

Also there is a quicker way to remove PDF password with this PDF Password Remover, just right-click the protected PDF file and choose Decrypt with AnyBizSoft PDF Password Remover in the shortcut menu, you can remove the password from protected PDF file without launching the program!

Sincerely hope this tip can do you much favor to learn how to remove password from PDF.

on Jun 30, 2010 | Computers & Internet

Tip

PDF encryption, set PDF password and recover PDF password


PDF encryptionGenerally, PDF files are with a password called User Password, which is used to open the file and view the document. To encrypt a PDF password does not simply mean you can’t open and view the document, but PDF files have five to seven encryption ways to protect the file for office needs. Owner password, the other password of PDF files, is another crucial PDF password, which is to protect the file from maybe being copied (to Clipboard), printed, or modified, etc. So, in speaking of PDF password, it doesn’t necessary mean the one which you use to open the file.
PDF encryption largely relies on the sophisticated algorithm that hardly to be reversed. For example, you are easy to calculate that 1000 plus 1 is 1001, however, the reverse is seemed impossible, for 1001 can be an answer of countless calculations. PDF encryption works in the similar way. In this sense, given a password, it’s easy to deduce and decipher some data; however, the reverse PDF password recovery seems impossible.
Generally speaking PDF encryption with 128 bits key value is much more secure than that of 32 bits. PDF encryption is accomplished by a key value, either 128 or 32 bits in size. When using the key, all the bytes are changed (unless they are decoded back with the same key) into meaningless codes, and the file is impossible to be opened. Only the meaningless codes are calculated back using the correct value is it possible to get the correct password and open the file. 128 bits has a lot more possible values than the one with 32 bits, so it is much more secure. If your password is forgotten and intend to recover PDF password, PDF Password Unlocker software could be faster, for it supports 128 bits encryption, either 128 bits RC4 or 128 bits AES encryption.

PDF files are composed with objects, like image Objects, graphic Objects, and text Objects, etc. The key is calculated for each PDF Object in the PDF file using local data, which is much hard to crack, as the key keeps changing.
Set and remove PDF passwordsAdd a PDF Password1. Click the Secure button pdf-encryption-and-pdf-password-recovery_clip_image002.jpg in the Tasks toolbar, and choose Password Encrypt.
2. Click “Yes” to the prompt about changing the security, and if necessary, type the Permissions password that lets you change security settings. If you don’t know the password, contact the author of the PDF.
3. In the Password Security - Settings dialog box, set the security options as desired, confirm the password, click OK, and then click OK again.
4. Save the document to apply the security settings.
Note: You can also restrict editing capabilities when you certify a document, or when you apply a policy to a PDF.
Remove PDF passwords and security settingsYou can remove PDF passwords and security policies from an open PDF if you have the permissions to do so. If the PDF is secured with a security policy that resides on a server, the changes can be made only by the author of the policy or by a server administrator.
1. Do one of the following: Click the Secure button pdf-encryption-and-pdf-password-recovery_clip_image002_0000.jpg in the Tasks toolbar, and choose Remove Security.
Type your password, and click Yes to the prompt about removing the security.
In the Security tab of the Document Properties dialog box, choose No Security from the Security Method menu.
2. When prompted, specify the Permissions password, and then click OK. Recover PDF password in case you forgot it.Every coin has two sides. Even the PDF document is strongly encrypted with passwords, it is impossible to insure that it is secure. Once you forgot PDF password, the data in the encrypted PDF file are on the risk of unavailability. Unless fortunately the password knocks your memory again, you got the data lost or you have to give up the document eventually. With the ever-growing of strong encryption algorithms, decryption algorithms gradually come into existing, too. Though the cracking is far more difficulty than ever before, it is still of help to those expecting to recover PDF password and access the password protected PDF file. Take PDF Password Unlocker, a popular PDF password recovery software, for example, it has adopted the advanced decryption algorithms to crack 40-bit RC4, 128-bit RC4, 128-bit AES, and 256-bit AES encrypted passwords with 3 attack methods, Dictionary attack, Brute-force attack, and Brute-force with Mask attack
Reference: http://www.passwordunlocker.com/knowledge/pdf-encryption-and-pdf-password-recovery.html

on Apr 30, 2010 | Computers & Internet

1 Answer

Password


After the document has been created go to File -> Properties and select the Security tab. In the Security Method dialog box,scroll down and choose Password Security. This will allow you to set a password for this file for anyone to open it.

Sep 27, 2007 | Adobe Acrobat 6.0 for PC

Tip

Remove PDF Password and Unlock Password Protected PDF file to View or Modify PDF...


PDF files have become the defacto document standard on the Internet. Why? Well because it is the Portable Document Format. The file you created will look just like you had prepared it, irrespective of the software used to create or read the file or whether the other person has the fonts you used. It also offers hundreds of other options that make it truly great for the power user.
However sometimes you get a PDF file from a friend/colleague or from the Internet that is password protected. Some require a password to open, others have the fonts, images and other content protected and others prohibit you from printing the file. You can of course contact the person concerned to get the password, but there can be plenty of situations where you would want to use a password protected PDF file otherwise! So, here I tell you a wonderful tool PDF Password Unlocker.
PDF Password Unlocker is the PDF password recovery software that allows you to remove PDF passwords and open protected PDF files. PDF Password Unlocker recovers PDF passwords instantly and removes all the restrictions for copying, printing and other actions. It is powerful enough to recover PDF passwords of any strength with a speed higher than most of the existing programs. It's a premium program that unlocks PDF files created by either Adobe Acrobat PDF or any other PDF applications.
Main Features:
  • All Adobe PDF versions are supported through the latest 9.0
  • Support PDF files created by other PDF applications
  • Recover PDF password for opening the file
  • Instantly remove restrictions and enables copying, printing and other actions, etc.
  • Powerful enough to recover passwords of high strength
  • Support 40-bit RC4, 128-bit RC4, 128-bit AES, 256-bit AES encryptions
  • Available of brute force, brute force with mask and dictionary attacks
  • Double in speed when compared to similar programs
  • Up to 4,000,000 passwords/s for single-cored CPU, and 8,000,000 passwords/s for multiple-cored CPU computers.
  • Able to minimize the recovering time by customizing a password character set if any part of the password is known
  • Able to create your own dictionary for the program to base on
  • Automatically save the recovery process and resume if accidentally stopped
  • Work on both single-cored CPU and multiple-cored CPU computers
  • Simple utility and easy to use
    PDF Password Unlocker is the simpliest PDF password remover for encrypted Adobe Acrobat PDF documents. It is the ever easiest-to-use PDF password recovery tool to recover and remove both the "User Password" and "Owner Password" efficiently and safely, making it possible for you not only to open but to modify the PDF document. Thereafter, instead of locked out of the document, you can open it and perform all the operations as you like, such as select text and graphics, change or add annotations, copy to Clipboard, modify the content, and print the document, etc. Functions as an Adobe Acrobat PDF cracker, it is super easy to use! Just give the full path of your PDF to the program and with a mouse click to the "Start" button on the program will be OK. There is no related knowledge required, even a kid can manipulate successfully.
  • on Apr 20, 2010 | Computers & Internet

    Tip

    How to Unlock and Edit Secured PDF


    For security, we often protect our PDF file by password , such as some academic papers or network magazines. If we want to edit secured PDF, we would better unlock them first. But something bad often happen, For example, when we want to print a secured PDF file, but the password is lost; or if we want to extract some excellent pages from a PDF file, we would fail to copy them. So how to unlock and edit secured PDF?
    Fortunately, as far as I know, there are methods, such as Brute Force Attack and Dictionary Attack can resolve the problem. However another question comes, with so much software can retrieve PDF password, which one should be chosen? Well, according to my own experience, I recommend you
    PDF Password Recovery 5.0 an easy-to-use tool designed for removing passwords added to Adobe Acrobat PDF documents.


    Features:
    1. All versions through Adobe Acrobat 9.0 are supported
    2. Do NOT need Adobe Acrobat software.
    3. Easy to use: step-to-step guide and screenshots
    4. Recovers user password required to open the file
    5. Decrypts PDF files protected with owner passwords
    6. Instantly removes restrictions on copying, printing and other actions with the file
    7. Program automatically saves password search state and can resume after a stop or a crash
    8. Patterns can be used to minimize search time if any part of the password is known
    9. Passwords of any length and complexity can be recovered
    10.Free updates during one year.
    you can download the product form Password Recovery Official site
    http://www.recoverlostpassword.com/

    on Mar 16, 2010 | Computers & Internet

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