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  1. Add passwords to PDFs - Adobe Inc.

    5 days ago · Learn how to add password security to PDFs in Adobe Acrobat to restrict opening, editing, printing, or copying of documents.

  2. Password protect PDF and encrypt a PDF for free | Acrobat - Adobe

    Click the Select a file button above, or drag and drop a PDF into the drop zone. Enter a password, then retype it to confirm the password. Click Set password. Download the password-protected …

  3. How to password protect a PDF on a PC | Adobe Acrobat

    Learn how to password protect PDF files using your PC. Adobe Acrobat makes keeping your information secure simple with our suite of features.

  4. Password protected PDFs and PDF security | Adobe Acrobat

    How to add passwords and permissions to PDF files: Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a …

  5. How to encrypt a PDF file for email | Adobe Acrobat

    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.

  6. How to password protect a PDF | Adobe Acrobat

    We’ll show you how to password protect a PDF for free and restrict certain features, such as printing and editing, in Adobe Acrobat.

  7. How to secure a PDF with a password | Adobe Acrobat

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

  8. Password protect a PDF - Adobe

    Click on the " Select a file " button above or drag and drop a PDF file into the drop zone. Enter a strong password and retype it to confirm. Click on " Set password ". Once done, you can …

  9. Password Protect a PDF for Free | Protect your PDF Online | Adobe

    Use the online password protect PDF tool from Adobe Acrobat to keep your files secure. Simply add a password to your PDF to restrict access.

  10. Protect a PDF File with a Password | Adobe Acrobat

    Nov 10, 2025 · Learn how to add a password to your PDF to protect others from opening or editing the PDF file. Protecting your PDF files prevents unauthorized access, protects …