OpenDocument (short for OASIS Open Document Format for Office Applications) is:
- An open, XML-based file format.
- An open standard from the OASIS standards group.
- Approved by ISO and IEC as an international standard (ISO/IEC 26300).
- The default file format for LibreOffice, Apache OpenOffice, Calligra Suite, NeoOffice, EuroOffice and many other applications.
- A format that fulfills the European Union’s criteria on open standards.
See the OpenDocument Format website for more information.