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Validate signatures |
When you open a document, all the signatures in the document are validated by default. Validation includes verifying the signer’s identity and assessing whether any changes were made since the document was signed. One way the signer’s identity can be verified is by adding the signer’s certificate to your list of trusted identities.
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Open the PDF document containing the signature you want to validate. |
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Select the signature in the Signatures tab, and then choose Validate Signature from the Options menu. |
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If the status is unknown, or if the document has been revised since it was signed, click Signature Properties, and then do any of the following: |
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