How to unencrypt a PDF files using Adobe Acrobat Pro DC

1.OpenthePDFandchooseTools>Protect>Encrypt>EncryptwithPassword.2.Ifyoureceiveaprompt,clickYestochangethesecurity.3.,OpenthePDFinAcrobat.Fromtheglobalbarintheupperleft,selectAlltools>ProtectaPDF>Protectwithpassword.,PDFEncryptisafree,open-sourcena...。參考影片的文章的如下：

Work with PDF - 9-8 encrypt decrypt pdf 文档的加密与解密
Work with PDF - 9-8 encrypt decrypt pdf 文档的加密与解密
Encrypt (Lock) PDF with passwords for edit or view
Encrypt (Lock) PDF with passwords for edit or view
How to Password Protect PDF - Tenorshare PDNob Guide
How to Password Protect PDF - Tenorshare PDNob Guide
How to Password Protect a PDF for Free
How to Password Protect a PDF for Free
How to password protect PDF free online with Adobe Acrobat
How to password protect PDF free online with Adobe Acrobat
How to Copyright Protect or Encrypt a PDF files in Adobe Illustrator
How to Copyright Protect or Encrypt a PDF files in Adobe Illustrator
Advanced functional training: PDF encryption and ...
Advanced functional training: PDF encryption and ...
How to Encrypt a PDF with Adobe Acrobat
How to Encrypt a PDF with Adobe Acrobat
How To Password Protect a PDF For Free (No Software To Install)
How To Password Protect a PDF For Free (No Software To Install)
How to generate an encrypted password-protected PDF document ...
How to generate an encrypted password-protected PDF document ...

參考內容推薦

How do I encrypt a .pdf document

1. Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. 2. If you receive a prompt, click Yes to change the security. 3.

Securing PDFs with passwords, Adobe Acrobat

Open the PDF in Acrobat. From the global bar in the upper left, select All tools > Protect a PDF > Protect with password.

Home - PDFEncrypt - Password protect PDF files for free

PDFEncrypt is a free, open-source native Windows app that allows you to password protect (encrypt) PDF files for free, without purchasing expensive software.

Password Protect PDF

評分 4.2 (13,462) A simple and secure web app to encrypt your PDF files with strong AES 128-bit encryption for free. Add password security to your PDF files in 5 easy steps.

Password protect PDF and encrypt a PDF for free | Acrobat

評分 4.7 (8,747) 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.

Unlock PDF files. Remove PDF password

Unlock PDF. Remove PDF password security, giving you the freedom to use your PDFs as you want. Upload your file and transform it. Select PDF files.

Protect PDF. Tool to encrypt PDF with password

Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and without registration.

How to encrypt a PDF with & without a password

Open your PDF in Adobe Acrobat and press the 'Protect' button on the right-hand side (the shield icon). Press 'Advanced Options > Encrypt with Password' in the ...

Protect PDF - Protect your PDF documents online

評分 4.7 (15,318) · 免費 · 商業/生產力 Protect your PDF files online by adding a password that will prevent people from being able to copy or print your PDF document. Secure PDF files for free.

How to encrypt a PDF document

Encrypting a PDF document protects its content from unauthorized access. Confidential PDF documents can be encrypted and protected with a password.

encryptedpdf

1.OpenthePDFandchooseTools>Protect>Encrypt>EncryptwithPassword.2.Ifyoureceiveaprompt,clickYestochangethesecurity.3.,OpenthePDFinAcrobat.Fromtheglobalbarintheupperleft,selectAlltools>ProtectaPDF>Protectwithpassword.,PDFEncryptisafree,open-sourcenativeWindowsappthatallowsyoutopasswordprotect(encrypt)PDFfilesforfree,withoutpurchasingexpensivesoftware.,評分4.2(13,462)Asimpleandsecur...

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