C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....DOTM Spreadsheets : XLS, XLSX, XLSM, XLSB, XLT, XLTX, XLTM, XLA...XLTM XLAM JPEG ODP RTF XLSB TAR XLSM XLA BMP PPTM MHTML ONE XLS RAR...