Effortlessly sign your documents with DigitalSignatureUtil's Sign method. Securely apply digital signatures using CertificateHolder and SignOptions....Doc, Dot, Docx, Dotx, Docm, Dotm, Odt, Ott. Output will be written...Doc, Dot, Docx, Dotx, Docm, Dotm, Odt, Ott. public static void...