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PDF Encrypt Option Dialog Box Properties
You can use the PDF Encrypt Option dialog box to set encryption properties for the PDF file. This topic describes the properties in the dialog box.
Compatibility
Select the encryption type to encrypt the PDF document. Acrobat 3.0 and later uses a low encryption level (40-bit RC4), while Acrobat 5.0 and later uses a high encryption level (128-bit RC4).
Encryption Level
The level of the encryption compatibility.
Require a password to open the document
Select if you want to prevent others from opening the document without authorization.
- Document Open Password
Specify the password for opening the document. - Confirm Password
Type the password again to confirm it.
Use a password to restrict printing and editing of the document and its security settings
Select if you want to prevent others from printing and editing the document.
- Permissions Password
Specify the password for printing and editing the document. Use a different password from the one you use to open the document. - Confirm Password
Type the password again to confirm it. - Printing Allowed
Select the printing quality for the PDF document. - Changes Allowed
Select the editing actions you want in the PDF document.
Enable copying of text, images and other content
Select if you want to select and copy the contents of the PDF document.
Enable text access for screen reader devices for the visually impaired
Select if you want users with visual impairment to read the PDF document using window readers. This property is available only when you select the Compatibility property of Acrobat 5.0 or later.
OK
Select to apply any changes you made here and exit the dialog box.
Cancel
Select to close the dialog box without saving any changes.
Help
Select to view information about the dialog box.