If you want to secure your PDF file, you can encrypt its data by setting a password. You can also remove the password at any time. Let’s read on how to set and remove a password from your PDF on both Windows and Mac.
Set and remove PDF passwords on Windows
Here is an example that shows you how to set and remove PDF passwords by using PDF Reader Pro for Windows step by step.
Step 1. Add a Password to a PDF
With your PDF Reader Pro for Windows open, click on the "Open a PDF" tab, then click on "Security" on the left toolbar menu.
Click on the tab labeled "Set Passwords". There are two types of password security that can attach to the document. Then, click the box on "Require a password to open the document".
Step 2. Remove a Password from a PDF
You can remove security from an open PDF if you have the permissions to do so. If the PDF is secured with a server-based security policy, only the policy author or a server administrator can change it.
With your PDF Reader Pro for Windows open, click on the "Open a PDF" tab, then click on "Security" on the left toolbar menu. Click on the tab labeled "Remove Passwords".
Your options vary depending on the type of password security attached to the document:
If the document had only a Document Open password, click Remove Password to remove it from the document.
If the document had a permissions password, type it in the Enter Password box, and then click OK. Click OK again to confirm the action.
Set and remove PDF passwords on Mac
Here is an example that shows you how to set and remove PDF passwords by using PDF Reader Pro for Mac step by step.
1. Add a Password to PDF
With your PDF Reader Pro for Mac open, click on the "Open a PDF" tab, choose the file which you want to deal with, then click "File" on the toolbar menu. Then click “Set Passwords” to enter the password setting interface.
Or you can click on the "Open a PDF" tab, choose the file which you want to deal with, then click "Editor". Then click "Security", choose “Set Passwords” to enter the password setting interface.
In this interface, it will show automatically the document which you opened in the left box. Also you can add or remove files that you want. PDF Reader Pro supports batch document encryption. And you should choose output folders. In addition, you can check "Require a password to open the document" or "Restrict printing and copying of the document" according to your needs. When you check it, you can enter the password to restrict the corresponding functions.
In the lower right corner of the interface, you can type title, author ,subject and keywords of the documents. Of course, this information is not required.
Note: You should check at least one of "Require password to open documents" and "Restrict printing and copying documents".
After completing above all settings, click the Encrypt button. Then, you will see a pop-up window reminding you that the file has been encrypted after a few seconds.
2. Remove a Password to PDF
Click on the "Open a PDF" tab, open a file which has been set a password, then click "Editor". Then click "Security", choose “Remove Security” to enter the password removing interface.
With the interface of "Remove Security" opening, you can remove the passwords after choosing the output folder. Similarly, PDF Reader Pro also supports deleting passwords in batches.
When the "State" column shows completed, the password of the document has been removed. Then it will jump to the export folder you selected to view the new file generated.
That's it! This process is how to remove the password on PDF Reader Pro for Mac.
This article shows you how to set and remove the password. These functions can be conveniently implemented on PDF Reader Pro. Not only that, PDF Reader Pro has many other functions to meet all your work needs.