OpenDocument Spreadsheet Document Format (ODS), Version 1.2, ISO 26300:2015
Format Description for ODF_spreadsheet_1_2 -- An XML-based, international standard format for a spreadsheet that is editable. Usual file extension is .ods. Documented with formats for other content categories in the OpenDocument Format (ODF) 1.2. Standard developed by OASIS and also approved as ISO/IEC 26300:2015. Supersedes ODS 1.1.