Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....( "1234" ); //Specify XOR encryption type. workbook . setEncryptionOptions..., 40 ); //Specify Strong Encryption type (RC4,Microsoft Strong...