How to Password-Protect Multiple PDF Files at Once
Question details
The user wants to apply the exact same password and permission settings to multiple PDF files at the same time to prevent unauthorized viewing and editing.

- Product
- Adobe Acrobat Pro
- Device & OS
- not provided
- Scenario
- Securing a large number of PDF documents with identical access restrictions and usage permissions without processing them individually.
- Observed behavior
- Needs an automated or batch method to apply PDF security and usage restrictions across multiple files efficiently.
Gather all the PDF files you want to protect into a single designated folder to make the batch selection process smoother, and decide whether you need an open password, a permissions password, or both.
Use Adobe Acrobat Pro Action Wizard
Automate the application of passwords and security permissions to multiple PDFs using the Action Wizard feature built into Acrobat Pro.
Adobe Acrobat Pro includes an Action Wizard tool that allows users to create automated, multi-step tasks. By setting up a security action, you can quickly apply identical encryption and restriction parameters to a large batch of documents.
Launch Adobe Acrobat Pro, navigate to the 'Tools' tab at the top, and select 'Action Wizard' from the Customize section.
Click on 'New Action' in the toolbar. This will open a dialog box where you can string together multiple commands for batch processing.
In the 'Choose tools to add' panel on the left, expand the 'Protection' category. Select 'Encrypt' or the specific security setting you want, and click the '+' button to add it to your action steps on the right.
Click 'Specify Settings' next to the added protection step. Enter your desired open password or permissions password, check the boxes for printing or editing restrictions, and click 'OK'.
Save the action with a recognizable name like 'Batch Protect'. Click on this newly saved action in the Action List, select the folder containing your multiple PDF files, and click 'Start' to apply the passwords.

Batch Encrypt PDFs Easily with WPS Office
WPS Office provides an intuitive and powerful Batch Processing tool. You can easily add open passwords and usage permissions to multiple PDF files simultaneously, streamlining your document security workflow.
- 1. Open WPS PDF Batch Processing: Launch WPS Office and open the PDF module. Navigate to the 'Tools' tab and select 'Batch Process'.
- 2. Select Batch Encrypt: In the Batch Process window, click on the 'Batch Encrypt' option from the available tools.
- 3. Add Your PDF Files: Click 'Add Files' or simply drag and drop all the PDF documents you wish to protect into the file queue.
- 4. Set Passwords and Start: Configure your required open password or permission restrictions, select a destination folder for the secured files, and click 'Start' to execute the batch encryption.

Frequently Asked Questions
What is the difference between an open password and a permissions password?
An open password requires a user to enter a specific password simply to open and view the PDF. A permissions password allows anyone to open the file but restricts specific actions like editing, printing, or copying text.
Will batch encrypting overwrite my original PDF files?
Most batch tools, including Acrobat's Action Wizard and WPS Office Batch Process, allow you to designate a specific output folder. This ensures your newly protected files are saved separately, keeping your original files intact.
Can I assign unique passwords to each PDF in a batch process?
No, standard batch processing tools apply the exact same password and permission settings to all files within that batch queue. If you need unique passwords for different files, they must be protected individually.
Can I batch password-protect PDFs on a Mac?
Yes. If you are using macOS, you can use Adobe Acrobat Pro's Action Wizard or the WPS Office for Mac batch process tools to apply security settings to multiple PDFs simultaneously.




