How to Merge Encrypted PDF Files. Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open ...

Sometimes a PDF needs encryption. Sometimes it doesn't. Here's how and when you can remove unneeded encryption.

Encrypted PDFs play a vital role in protecting sensitive information, especially during online distribution. By ensuring that only those with the correct password can access the content ...

How to Use DRM Encrypted PDF Files on a Kindle. Your Kindle device can be a more productive way to work on your documents for reading and annotation. Even documents encrypted with DRM technology ...

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

Upload the password-protected file, enter the password, and download the unlocked PDF. CleverPDF claims to delete your files within 30 minutes of upload.

If you get Access is denied message when opening encrypted files, you may need to first export the Encrypting File System (EFS) certificate and key.

Want to encrypt your important PDF files? It's easier than you might think. Here's how to encrypt PDF files on your Mac or Windows PC.

If you want to password-protect your PDF documents from outside interference, then maybe you should give PDF Page Lock a test run. It is a free encryption software that lets you easily encrypt PDF ...

German academics have developed a new attack that can extract and steal data from encrypted PDF files, sometimes without user interaction. Named PDFex, the new attack comes in two variations and ...