The following table indicates the file formats that GroupDocs.Editor Cloud can edit.
WordProcessing family formats Format Description Edit Auto Detection DOC MS Word 97-2007 Binary File Format DOCX Office Open XML WordProcessingML Macro-Free Document DOCM Office Open XML WordProcessingML Macro-Enabled Document DOT MS Word 97-2007 Template DOTM Office Open XML WordprocessingML Macro-Enabled Template DOTX Office Open XML WordprocessingML Macro-Free Template FlatOPC Office Open XML WordprocessingML stored in a flat XML file instead of a ZIP package ODT Open Document Format Text Document OTT Open Document Format Text Document Template RTF Rich Text Format WordML Microsoft Office Word 2003 XML Format — WordProcessingML or WordML Spreadsheet family formats Format Description Edit Auto Detection XLS Excel 97-2003 Binary File Format XLT Excel 97-2003 Template XLSX Office Open XML Workbook Macro-Free XLSM Office Open XML Workbook Macro-Enabled XLTX Office Open XML Template Macro-Free XLTM Office Open XML Template Macro-Enabled XLSB Excel Binary Workbook XLAM Excel Add-in SXC StarOffice or OpenOffice....Template Rich Text Format WordML Microsoft Office Word 2003 XML Format...Auto Detection Excel 97-2003 Binary File Format Excel 97-2003 Template...