What's the difference between PDF open password and permission password?

Maybe that's the difference between your own home and someone else's.

Opening the password is like going to someone's house, but we can't use the items in the mobile house. circuit printing service The permission password is like going back to our own home in China, and we can modify the editing contents such as information editing ability and format conversion.

I don't know my explanation, can the object understand? PCB fabrication company If you don't understand, I will use my software FoxitPDF Editor Pro to demonstrate the difference between the two passwords.

To prevent friends from wanting the software, china PCB I put the portal straight to the top: PDF permission editing.

First, PDF file password

How to enter a PDF password? When we get an encrypted PDF file, click“Protect”→“Secure document”→“Password protected” and enter the correct password to open and read the PDF file.

Second, PDF permission password

The same is true if it is a license password. You need to open the PDF editor first, then open the PDF file, and then enter the password to modify it.

Click on the left side of the administrative permissions list, click on“Permissions” to set system permissions, in the“Permissions settings” dialog box, check“Limit printing, editing technical documents and permissions settings”, then according to the needs of the enterprise analysis of the corresponding curriculum.

If two types of encryption are used in a document, one type of password can open the document, but only the document permission password can change the permission.

That explains a lot, doesn't it? Do you understand the difference now? If not, try setting two passwords yourself with the editor.