If the document you want to password protect is already a PDF, you can use Adobe Acrobat to add a password. Method 2: Password Protect a PDF Using Adobe Acrobat If you don’t have Microsoft Office installed, you can use this method with Microsoft 365 (Formerly Office 365).

That’s it! When you open the document in your PDF viewer, you will be prompted to enter a password. Next, choose a password you don’t normally use if you plan to share the document with others. Please enter your password, then confirm it.Click the Options button, then check the option Encrypt the document with a password.Then Save as type list box, then select PDF.Open your Microsoft Office file in the respective application.When you encrypt and password protect a document you created using a Microsoft Office program (e.g., Excel, Word, PowerPoint), you can save it as a PDF that is also password protected.

Password Protect PDF Files in Windows and macOS Method 1: Use Microsoft Office to Create Password Protected PDFs

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