C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats...., XLAM, TSV Presentations : PPT, PPTX, PPTM, PPS, PPSX, PPSM...XLAM, OTS, ODS Presentations : PPT, PPTX, POT, POTX, POTM, PPSM...