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PrimoPDF enables you to secure your PDF document, and to control the actions that users can perform on the file.

To secure your PDF

Added Password Security

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1. In the PrimoPDF interface, under PDF Security, click Change to access the Document Security dialog, and enter the specific passwords, restrictions, and permissions.
2. In the Open Password section, tick the Require a password to open the document checkbox to enable password-protection on the document.
3. Password — Enter the desired password to secure the document.
4. Confirm Password — Repeat the password to detect and avoid typing errors.
5. In the Permissions area, tick the Require a password to change security... checkbox to prevent further security-changes without authentication, and to lock down specific document functions.
6. Password — Enter the desired password to restrict specific document functionality.
7. Confirm Password — Repeat the password to detect and avoid typing errors.
8. Printing Allowed — Enables you to restrict or allow different print-functions for the document.
• None — Completely disables printing functionality.
• Low Resolution — Allows printing but lowers the resolution and quality of images.
• High Resolution — Enables unrestricted print quality.
9. Changes Allowed — Allows you to specify the level at which users can modify or access content within the document.
• None — Restricts the user from making any changes to your document, unless the specified Permissions Password is supplied.
• Creating, inserting, deleting, and rotating pages — User editing is restricted to manipulating document pages, including adding, deleting, and rotating pages.
• Commenting, filling in form fields and signing — User editing is restricted to adding PDF comments, filling-in form fields, and adding digital signatures.
• Any except extract pages — Users are allowed to use all the editing features available in their PDF viewer, however page-extraction is disabled.
10. Enable copying of text, images, and other content — Allows the user to select and copy the document content to their clipboard for pasting into another file.
11. Enable text access for screen reader devices for the visually impaired — Allows screen-reading software to access the textual content in your document for audible reading.
12. Always use these settings — Enables the entire selected security configuration to be automatically applied to all subsequent documents.