Help > Learning Resources > Tips for creating PDFs > How to lock a PDF form after signing it

How to lock a PDF form after signing it

Once you’ve collected all eSignatures for the document, you can lock the entire document or its separate parts to prevent any subsequent changes and ensure security.

Step 1. Open a PDF in Adobe Acrobat Pro and choose Forms & Signatures > Prepare Form.

Step 2. Double-click the necessary signature field to open its Properties.

Step 3. In Signed, tick the box Mark as read-only. Select one of the options: All fields, All fields except these, Just these fields.

Step 4. Save changes.

Note. In Fluix, you can protect documents with sensitive data with a password. This way, only users who have a password granted by the admin can access the document and edit it. 

To enable password protection, go to Configuration > Settings > Security and tick the Default PDF password box.

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