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.... PZN7 is generated from 6 or less digits, like...like “123456”. PZN8 is generated from 7 or more digits, like “1234567”...