How to Password Lock a PDF: A Step-by-Step Guide

Protecting sensitive documents like PDF files is crucial in today's digital world where cyber threats are rampant. One effective way to secure your PDF files is by password-locking them. Here's a simple guide on how to password lock a PDF:

1. Open the PDF File: Begin by opening the PDF document that you want to password protect.
2. Click on 'File' and Select 'Properties': In most PDF readers, you can find the 'File' option at the top left corner. Click on it and then select 'Properties' from the dropdown menu.
3. Go to the 'Security' Tab: In the 'Properties' window, navigate to the 'Security' tab.
4. Choose Password Security: Look for the 'Security Method' dropdown menu and select 'Password Security' from the options.
5. Set Your Password: You will now have the option to set a 'Document Open Password.' Enter your desired password in the provided field.
6. Confirm the Password: Re-enter the same password to confirm it.
7. Save Your Changes: After setting the password, click 'OK' or 'Save' to apply the password lock to your PDF.

By following these simple steps, you can effectively password lock your PDF files and add an extra layer of security to your sensitive documents.