C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....Spreadsheets : XLS, XLSX, CSV, XLSM, XLSB, ODS, SpreadsheetML (XML), XLT...Spreadsheets : XLS, XLSX, XLSM, XLSB, ODS, XLT, XLTM, XLTX Presentations...