GroupDocs.Conversion for .NET examples, plugins and showcase projects - GroupDocs.Conversion-for-.NET/README.md at master · groupdocs-conversion/GroupDocs.Conversion-for-.NET...Conversion File Formats Spreadsheet: XLSX, XLSB, XLS2003, XLT...DOTX, RTF, TXT, ODT, OTT Presentation: PPT, PPS, PPTX, PPSX, ODP...