It supports DOCX, DOCM, DOC, DOT, DOTM, DOTX, ODT, OTT, RTF, XLS, XLSX, XLSB, XLSM, XLT, XLTX, XLTM, XLAM, CSV, TSV, ODS, OTS, FODS, SXC, NUMBERS, PDF, EPUB, AZW3, MOBI, TXT, XML, CHM...Watermark Product Solution GroupDocs...Markdown / GroupDocs.Markdown for .NET / Get started / Supported file...