C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....PPS, PPSX, PPSM, POT, POTX, POTM OneNote : ONE OpenDocument Formats...DOTX PPT XLTX PPTX JPEG OTS DOT POTM XLSX JPG DOCX TIFF PPSX TIF...