MIME type: application/vnd.oasis.opendocument.spreadsheet OpenDocument spreadsheet file. Used for storage and exchange of spreadsheet data and formulas. Is part of the OASIS Open Document Format (ODF) family of file formats. ODS is an acronym derived from OpenDocument Spreadsheet. Native spreadsheet format of OpenOffice.org 2.0. XML-based format, usually ZIP-compressed. Supports multiple sheets in one file. Developed by the OASIS industry consortium, based upon the OpenOffice.org SXC format. Approved as ISO/IEC 26300 standard in 2006.