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, ODP, OTP OneNote...ODS Presentations : PPT, PPTX, POT, POTX, POTM, PPSM, PPTM, OTP...