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About PDFelement
Security:Set PDF Password
Security overview
It is like to secure your own house that you set permission to your document. Other people may not open, edit or print your PDF without your authorization. Also you may need to secure PDF with certificates. Wondershare PDF Element provides Password protect and digital signature for security option. You can use passwords to restrict users from opening, editing or printing PDF.
Types of Security
- Password protect: Click Protect>Password, you can select to protect current file or multiple PDFs at a time. In the pop up window, there are two options: Open password and permissions password
- Digital signature: It's like a handwritten signature to approve documents. Click Protect>Sign Document. Then follow the on-screen instructions to continue.
1
Open password
Set PDF open password: this option restrict users from opening a PDF. Click Protect>Password. Check the 'Require a password to open the document' box and then type your password and confirm.
2
Permission password
Set editing and printing password: this option restrict users from editing or printing the PDF document. Click Protext>Password. Check the 'Require a password to change security settings and access specific functions' box and then type your password and confirm. There are options to allow printing or editing.
3
Printing permission
You can choose to restrict users from printing, with permission:
- Not allowed to print.
- Low resolution printing is allowed.
- High resolution printing is allowed.
4
Editing permission
This option allows you to change the permission for editing PDF:
- No changes can be made.
- Insert, delete and rotate is allowed.
- Filling form fields and signing is allowed.
- Commenting, filling form fields and signing is allowed.
- Any except extract pages is allowed.