PDF (Portable Document Format) files are widely used due to their cross-platform compatibility and format fixity. In order to protect the security of the file content, many users will choose to encrypt PDF files. However, sometimes we encounter situations where encrypted PDF files cannot be opened, which may be due to a variety of reasons. This article will explore the reasons why PDF documents cannot be opened after encryption and provide some effective solutions.
Next, I will teach you how to open
- Open Catpasswd https://www.catpasswd.com/
- Click Recover to select PDF encrypted document, enter the email address and click Submit
Catpasswd Home Page
It is a common problem that PDF documents cannot be opened after encryption, but through the above methods, we can effectively solve this problem. When trying to remove encryption, please be sure to abide by laws, regulations and ethical standards, and respect the copyright and privacy of others.
It takes about an hour to get the password recovery result. If the password is too complex, it may fail. At present, this method is the simplest and easiest. If you feel it is useful, share it with your friends!