C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....XLSB, XLT, XLTX, XLTM, XLA, XLAM Presentations : PPT, PPTX, PPTM...PPS ONE PST EPUB TAR RAR JP2 XLAM OST MHTML DOCM PPTM POTX EML...