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...OpenDocument Text Document ✅ OpenDocument Text Template ✅ Rich Text Format...