Seal-It for MS Word Cost: $9 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Seal-It for MS Word: Seal-It combines RSA digital signature technology with a patent pending voice signature technology that enables you to verify the identity of the signer even without a digital certificate. Using voice recognition together with a unique affirmation message, users can authenticate the identity of the signatory to the document.