Encrypting a document
You can encrypt a PDF document for security reasons.
To save a PDF file with encryption, click Save PDF in the
File group on the Home tab. A new window will open.
Select a new name for the document.
Next, click the Security tab on the right-hand side of
the Save As window. In the Encryption Level drop down
box, select the required level of encryption. Select the Require
a password to open the document check box, and enter the
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