mayswind/SimpleOfficeReader: A simple office file reader can extract content and summary information from .doc,.docx,.ppt,.pptx files without Microsoft Office or interop. · GitHub

A simple office file reader can extract content and summary information from .doc,.docx,.ppt,.pptx files without Microsoft Office or interop.

一个简单的Office文件读取工具，可以无需借助Microsoft Office软件及Interop抽取.doc,.docx,.ppt,.pptx文件的内容和摘要信息。

There're four Chinese articles about office basic type: http://www.cnblogs.com/mayswind/archive/2013/03/17/2962205.html

有四篇中文的文章关于Office文件的基本格式：http://www.cnblogs.com/mayswind/archive/2013/03/17/2962205.html