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....password , domain ); IEWSClient client = EWSClient . GetEWSClient...mailboxUri , credentials ); return client ; } 向 EWSClient 初始化添加自定义标头...