PPT file format conversion method and system

The invention relates to a PPT file format conversion method, which comprises the following steps of: receiving a PPT file by a file service, and analyzing structures of the PPT file and composition data included in each structure in the PPT file; the file service extracts the structure information and the composition data, and combines the structure information and the composition data to generate a decomposition data set; after the file service assembles and converts the decomposed data, a conversion file is generated, and the conversion file is in a preset format capable of being analyzed by the webpage side. According to the method and the device, the problem that the PPT file cannot be opened under the condition that specific software is not installed is solved, the PPT file is opened through the webpage end for information interaction, limitation when the PPT file is used is reduced, and browsing and using of the PPT file are facilitated. 本申请涉及一种PPT文件格式转换的方法，其中，文件服务接收PPT文件，解析PPT文件的结构以及PPT文件中各结构中包括的组成数据；