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....Email API 提供检测提供的邮件文件格式的功能。该 DetectFileFormat...FileFormatUtil.detectFileFormat(Stream) Method FileFormatUtil.det...