DOCX
From Just Solve the File Format Problem
| File Formats | > | Electronic File Formats | > | Document | > | DOCX |
Office Open XML representation (.DOCX) is the default file format for documents created by Microsoft Word as of Word 2007.
History
This (along with the other Office Open XML items PPTX and XLSX) was initially standardized as ECMA-376 in 2006. Three versions of ECMA-376 have been produced; the second version also corresponds to ISO/IEC 29500:2008.
