Add PDF password protection to your file to protect sensitive content. When you encrypt a PDF, only people with the password can view the file content.

Discover how to encrypt a PDF file to keep sensitive information secure via email. Our guide provides easy steps and helpful tips for protecting PDFs.

Sep 23, 2025 · Select All tools > Protect a PDF. In the left pane, select Protect with password. In the dialog box that opens, select if you want to set the password for Viewing or Editing. …

Use the free online PDF password protection tool from Adobe Acrobat to keep your files secure. Simply click ‘ Add a Password ’ to encrypt your PDF and restrict access to only those you …

Add PDF password protection with the Adobe Acrobat online tool for free. By adding a password to your PDF file, you can limit access and only allow people with the password to view the file …

Learn how to secure a PDF file. Secure your sensitive documents and protect PDFs with passwords to ensure only authorized users can access them.

Sep 23, 2025 · Learn how to use certificates to encrypt PDF documents in Adobe Acrobat, ensuring only intended recipients can view the contents.

If you’re working with sensitive information, you have to protect it. Learn how to easily encrypt with password and apply permissions to PDF files to prevent copying, changing, or printing your …

Learn how to send a secure PDF with ease. Follow our step-by-step guide and ensure your confidential documents stay safe and in the right hands.

Jun 18, 2025 · Open the PDF in Acrobat. From the global bar in the upper-left, select All tools > Protect a PDF. From the Protect a PDF toolset in the left pane, select Encrypt with Password. …