add password to a pdf file on mac

How to Add Password to a PDF File on Mac? Question: Hi, I need to send a PDF file that requires the recipients to enter a password to open it. I am wondering how to add password to a pdf file. I am using Adobe Reader on Mac. Is anyone knows explain me with simple steps to make it. Thanks in advance. Answer: Actually, the Adobe Reader only allows you to "view" the security setting.You can set the security protection in Adobe Acrobat. Certainly, if you want to deal with a couple of readonly password protected PDF files, you can use the PDF Password Remover for Mac and remove password for freely copy and print purposes. Here the problem is add password to a PDF on Mac PC, let's take the Adobe Acrobat 6.0 for example, it allows you to add password to a PDF file on Mac easily. And now the steps are: Step 1: Choose Document > Security > Restirct Opening and Editing Step 2: In the password Security dialog box, select with version of Acrobat is required to read the document. In this example, you can select "Acrobat 5.0 or later" Step 3: Select "Require a Passeord to Open the Document", then click "OK". Step 4: Choose File > Save and save the file with the same name and close it. Step 5: When you open the file again, it will ask for password; if what you typed is a wrong passkword, you should try it again. Only when you've entered the correct password can you open the PDF file without any problems. The worst matter is you cannot open the file once you forget the password. To lock PDF on Mac is simple. Sometimes you may meet some encrypted PDF documents for readonly, okay, they are almost certainly not password protected. The PDF Password Remover for Mac (only relevant to Mac OS) simply changes the encypted type into decrypted type and enables you to copy and paste to someplace you have wirte access, and then you can do whatever you want to do.

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