C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....PPTX, PPTM, PPS, PPSX, PPSM, POT, POTX, POTM OneNote : ONE OpenDocument...TIFF PPSX TIF DOTM CHM TXT XLA POT ZIP MD PPSM XLSM GIF PPS ONE...